fallocate syscall interface deficiency
[powerpc.git] / fs / xfs / xfs_bmap.c
index 8779518..94b5c5f 100644 (file)
@@ -52,6 +52,7 @@
 #include "xfs_quota.h"
 #include "xfs_trans_space.h"
 #include "xfs_buf_item.h"
+#include "xfs_filestream.h"
 
 
 #ifdef DEBUG
@@ -130,7 +131,6 @@ STATIC int                          /* error */
 xfs_bmap_add_extent_hole_delay(
        xfs_inode_t             *ip,    /* incore inode pointer */
        xfs_extnum_t            idx,    /* extent number to update/insert */
-       xfs_btree_cur_t         *cur,   /* if null, not a btree */
        xfs_bmbt_irec_t         *new,   /* new data to add to file extents */
        int                     *logflagsp,/* inode logging flags */
        xfs_extdelta_t          *delta, /* Change made to incore extents */
@@ -278,7 +278,7 @@ xfs_bmap_isaeof(
 STATIC void
 xfs_bmap_trace_addentry(
        int             opcode,         /* operation */
-       char            *fname,         /* function name */
+       const char      *fname,         /* function name */
        char            *desc,          /* operation description */
        xfs_inode_t     *ip,            /* incore inode pointer */
        xfs_extnum_t    idx,            /* index of entry(ies) */
@@ -292,7 +292,7 @@ xfs_bmap_trace_addentry(
  */
 STATIC void
 xfs_bmap_trace_delete(
-       char            *fname,         /* function name */
+       const char      *fname,         /* function name */
        char            *desc,          /* operation description */
        xfs_inode_t     *ip,            /* incore inode pointer */
        xfs_extnum_t    idx,            /* index of entry(entries) deleted */
@@ -305,7 +305,7 @@ xfs_bmap_trace_delete(
  */
 STATIC void
 xfs_bmap_trace_insert(
-       char            *fname,         /* function name */
+       const char      *fname,         /* function name */
        char            *desc,          /* operation description */
        xfs_inode_t     *ip,            /* incore inode pointer */
        xfs_extnum_t    idx,            /* index of entry(entries) inserted */
@@ -319,7 +319,7 @@ xfs_bmap_trace_insert(
  */
 STATIC void
 xfs_bmap_trace_post_update(
-       char            *fname,         /* function name */
+       const char      *fname,         /* function name */
        char            *desc,          /* operation description */
        xfs_inode_t     *ip,            /* incore inode pointer */
        xfs_extnum_t    idx,            /* index of entry updated */
@@ -330,17 +330,25 @@ xfs_bmap_trace_post_update(
  */
 STATIC void
 xfs_bmap_trace_pre_update(
-       char            *fname,         /* function name */
+       const char      *fname,         /* function name */
        char            *desc,          /* operation description */
        xfs_inode_t     *ip,            /* incore inode pointer */
        xfs_extnum_t    idx,            /* index of entry to be updated */
        int             whichfork);     /* data or attr fork */
 
+#define        XFS_BMAP_TRACE_DELETE(d,ip,i,c,w)       \
+       xfs_bmap_trace_delete(__FUNCTION__,d,ip,i,c,w)
+#define        XFS_BMAP_TRACE_INSERT(d,ip,i,c,r1,r2,w) \
+       xfs_bmap_trace_insert(__FUNCTION__,d,ip,i,c,r1,r2,w)
+#define        XFS_BMAP_TRACE_POST_UPDATE(d,ip,i,w)    \
+       xfs_bmap_trace_post_update(__FUNCTION__,d,ip,i,w)
+#define        XFS_BMAP_TRACE_PRE_UPDATE(d,ip,i,w)     \
+       xfs_bmap_trace_pre_update(__FUNCTION__,d,ip,i,w)
 #else
-#define        xfs_bmap_trace_delete(f,d,ip,i,c,w)
-#define        xfs_bmap_trace_insert(f,d,ip,i,c,r1,r2,w)
-#define        xfs_bmap_trace_post_update(f,d,ip,i,w)
-#define        xfs_bmap_trace_pre_update(f,d,ip,i,w)
+#define        XFS_BMAP_TRACE_DELETE(d,ip,i,c,w)
+#define        XFS_BMAP_TRACE_INSERT(d,ip,i,c,r1,r2,w)
+#define        XFS_BMAP_TRACE_POST_UPDATE(d,ip,i,w)
+#define        XFS_BMAP_TRACE_PRE_UPDATE(d,ip,i,w)
 #endif /* XFS_BMAP_TRACE */
 
 /*
@@ -399,7 +407,6 @@ xfs_bmap_count_leaves(
 
 STATIC int
 xfs_bmap_disk_count_leaves(
-       xfs_ifork_t             *ifp,
        xfs_extnum_t            idx,
        xfs_bmbt_block_t        *block,
        int                     numrecs,
@@ -533,9 +540,6 @@ xfs_bmap_add_extent(
        xfs_filblks_t           da_new; /* new count del alloc blocks used */
        xfs_filblks_t           da_old; /* old count del alloc blocks used */
        int                     error;  /* error return value */
-#ifdef XFS_BMAP_TRACE
-       static char             fname[] = "xfs_bmap_add_extent";
-#endif
        xfs_ifork_t             *ifp;   /* inode fork ptr */
        int                     logflags; /* returned value */
        xfs_extnum_t            nextents; /* number of extents in file now */
@@ -553,8 +557,8 @@ xfs_bmap_add_extent(
         * already extents in the list.
         */
        if (nextents == 0) {
-               xfs_bmap_trace_insert(fname, "insert empty", ip, 0, 1, new,
-                       NULL, whichfork);
+               XFS_BMAP_TRACE_INSERT("insert empty", ip, 0, 1, new, NULL,
+                       whichfork);
                xfs_iext_insert(ifp, 0, 1, new);
                ASSERT(cur == NULL);
                ifp->if_lastex = 0;
@@ -580,7 +584,7 @@ xfs_bmap_add_extent(
                if (cur)
                        ASSERT((cur->bc_private.b.flags &
                                XFS_BTCUR_BPRV_WASDEL) == 0);
-               if ((error = xfs_bmap_add_extent_hole_delay(ip, idx, cur, new,
+               if ((error = xfs_bmap_add_extent_hole_delay(ip, idx, new,
                                &logflags, delta, rsvd)))
                        goto done;
        }
@@ -712,9 +716,6 @@ xfs_bmap_add_extent_delay_real(
        int                     diff;   /* temp value */
        xfs_bmbt_rec_t          *ep;    /* extent entry for idx */
        int                     error;  /* error return value */
-#ifdef XFS_BMAP_TRACE
-       static char             fname[] = "xfs_bmap_add_extent_delay_real";
-#endif
        int                     i;      /* temp state */
        xfs_ifork_t             *ifp;   /* inode fork pointer */
        xfs_fileoff_t           new_endoff;     /* end offset of new entry */
@@ -810,15 +811,14 @@ xfs_bmap_add_extent_delay_real(
                 * Filling in all of a previously delayed allocation extent.
                 * The left and right neighbors are both contiguous with new.
                 */
-               xfs_bmap_trace_pre_update(fname, "LF|RF|LC|RC", ip, idx - 1,
+               XFS_BMAP_TRACE_PRE_UPDATE("LF|RF|LC|RC", ip, idx - 1,
                        XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1),
                        LEFT.br_blockcount + PREV.br_blockcount +
                        RIGHT.br_blockcount);
-               xfs_bmap_trace_post_update(fname, "LF|RF|LC|RC", ip, idx - 1,
-                       XFS_DATA_FORK);
-               xfs_bmap_trace_delete(fname, "LF|RF|LC|RC", ip, idx, 2,
+               XFS_BMAP_TRACE_POST_UPDATE("LF|RF|LC|RC", ip, idx - 1,
                        XFS_DATA_FORK);
+               XFS_BMAP_TRACE_DELETE("LF|RF|LC|RC", ip, idx, 2, XFS_DATA_FORK);
                xfs_iext_remove(ifp, idx, 2);
                ip->i_df.if_lastex = idx - 1;
                ip->i_d.di_nextents--;
@@ -857,15 +857,14 @@ xfs_bmap_add_extent_delay_real(
                 * Filling in all of a previously delayed allocation extent.
                 * The left neighbor is contiguous, the right is not.
                 */
-               xfs_bmap_trace_pre_update(fname, "LF|RF|LC", ip, idx - 1,
+               XFS_BMAP_TRACE_PRE_UPDATE("LF|RF|LC", ip, idx - 1,
                        XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1),
                        LEFT.br_blockcount + PREV.br_blockcount);
-               xfs_bmap_trace_post_update(fname, "LF|RF|LC", ip, idx - 1,
+               XFS_BMAP_TRACE_POST_UPDATE("LF|RF|LC", ip, idx - 1,
                        XFS_DATA_FORK);
                ip->i_df.if_lastex = idx - 1;
-               xfs_bmap_trace_delete(fname, "LF|RF|LC", ip, idx, 1,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_DELETE("LF|RF|LC", ip, idx, 1, XFS_DATA_FORK);
                xfs_iext_remove(ifp, idx, 1);
                if (cur == NULL)
                        rval = XFS_ILOG_DEXT;
@@ -894,16 +893,13 @@ xfs_bmap_add_extent_delay_real(
                 * Filling in all of a previously delayed allocation extent.
                 * The right neighbor is contiguous, the left is not.
                 */
-               xfs_bmap_trace_pre_update(fname, "LF|RF|RC", ip, idx,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_PRE_UPDATE("LF|RF|RC", ip, idx, XFS_DATA_FORK);
                xfs_bmbt_set_startblock(ep, new->br_startblock);
                xfs_bmbt_set_blockcount(ep,
                        PREV.br_blockcount + RIGHT.br_blockcount);
-               xfs_bmap_trace_post_update(fname, "LF|RF|RC", ip, idx,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_POST_UPDATE("LF|RF|RC", ip, idx, XFS_DATA_FORK);
                ip->i_df.if_lastex = idx;
-               xfs_bmap_trace_delete(fname, "LF|RF|RC", ip, idx + 1, 1,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_DELETE("LF|RF|RC", ip, idx + 1, 1, XFS_DATA_FORK);
                xfs_iext_remove(ifp, idx + 1, 1);
                if (cur == NULL)
                        rval = XFS_ILOG_DEXT;
@@ -933,11 +929,9 @@ xfs_bmap_add_extent_delay_real(
                 * Neither the left nor right neighbors are contiguous with
                 * the new one.
                 */
-               xfs_bmap_trace_pre_update(fname, "LF|RF", ip, idx,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_PRE_UPDATE("LF|RF", ip, idx, XFS_DATA_FORK);
                xfs_bmbt_set_startblock(ep, new->br_startblock);
-               xfs_bmap_trace_post_update(fname, "LF|RF", ip, idx,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_POST_UPDATE("LF|RF", ip, idx, XFS_DATA_FORK);
                ip->i_df.if_lastex = idx;
                ip->i_d.di_nextents++;
                if (cur == NULL)
@@ -965,17 +959,14 @@ xfs_bmap_add_extent_delay_real(
                 * Filling in the first part of a previous delayed allocation.
                 * The left neighbor is contiguous.
                 */
-               xfs_bmap_trace_pre_update(fname, "LF|LC", ip, idx - 1,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_PRE_UPDATE("LF|LC", ip, idx - 1, XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1),
                        LEFT.br_blockcount + new->br_blockcount);
                xfs_bmbt_set_startoff(ep,
                        PREV.br_startoff + new->br_blockcount);
-               xfs_bmap_trace_post_update(fname, "LF|LC", ip, idx - 1,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_POST_UPDATE("LF|LC", ip, idx - 1, XFS_DATA_FORK);
                temp = PREV.br_blockcount - new->br_blockcount;
-               xfs_bmap_trace_pre_update(fname, "LF|LC", ip, idx,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_PRE_UPDATE("LF|LC", ip, idx, XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(ep, temp);
                ip->i_df.if_lastex = idx - 1;
                if (cur == NULL)
@@ -997,8 +988,7 @@ xfs_bmap_add_extent_delay_real(
                temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp),
                        STARTBLOCKVAL(PREV.br_startblock));
                xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp));
-               xfs_bmap_trace_post_update(fname, "LF|LC", ip, idx,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_POST_UPDATE("LF|LC", ip, idx, XFS_DATA_FORK);
                *dnew = temp;
                /* DELTA: The boundary between two in-core extents moved. */
                temp = LEFT.br_startoff;
@@ -1011,11 +1001,11 @@ xfs_bmap_add_extent_delay_real(
                 * Filling in the first part of a previous delayed allocation.
                 * The left neighbor is not contiguous.
                 */
-               xfs_bmap_trace_pre_update(fname, "LF", ip, idx, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_PRE_UPDATE("LF", ip, idx, XFS_DATA_FORK);
                xfs_bmbt_set_startoff(ep, new_endoff);
                temp = PREV.br_blockcount - new->br_blockcount;
                xfs_bmbt_set_blockcount(ep, temp);
-               xfs_bmap_trace_insert(fname, "LF", ip, idx, 1, new, NULL,
+               XFS_BMAP_TRACE_INSERT("LF", ip, idx, 1, new, NULL,
                        XFS_DATA_FORK);
                xfs_iext_insert(ifp, idx, 1, new);
                ip->i_df.if_lastex = idx;
@@ -1048,8 +1038,7 @@ xfs_bmap_add_extent_delay_real(
                        (cur ? cur->bc_private.b.allocated : 0));
                ep = xfs_iext_get_ext(ifp, idx + 1);
                xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp));
-               xfs_bmap_trace_post_update(fname, "LF", ip, idx + 1,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_POST_UPDATE("LF", ip, idx + 1, XFS_DATA_FORK);
                *dnew = temp;
                /* DELTA: One in-core extent is split in two. */
                temp = PREV.br_startoff;
@@ -1062,17 +1051,14 @@ xfs_bmap_add_extent_delay_real(
                 * The right neighbor is contiguous with the new allocation.
                 */
                temp = PREV.br_blockcount - new->br_blockcount;
-               xfs_bmap_trace_pre_update(fname, "RF|RC", ip, idx,
-                       XFS_DATA_FORK);
-               xfs_bmap_trace_pre_update(fname, "RF|RC", ip, idx + 1,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_PRE_UPDATE("RF|RC", ip, idx, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_PRE_UPDATE("RF|RC", ip, idx + 1, XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(ep, temp);
                xfs_bmbt_set_allf(xfs_iext_get_ext(ifp, idx + 1),
                        new->br_startoff, new->br_startblock,
                        new->br_blockcount + RIGHT.br_blockcount,
                        RIGHT.br_state);
-               xfs_bmap_trace_post_update(fname, "RF|RC", ip, idx + 1,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_POST_UPDATE("RF|RC", ip, idx + 1, XFS_DATA_FORK);
                ip->i_df.if_lastex = idx + 1;
                if (cur == NULL)
                        rval = XFS_ILOG_DEXT;
@@ -1093,8 +1079,7 @@ xfs_bmap_add_extent_delay_real(
                temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp),
                        STARTBLOCKVAL(PREV.br_startblock));
                xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp));
-               xfs_bmap_trace_post_update(fname, "RF|RC", ip, idx,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_POST_UPDATE("RF|RC", ip, idx, XFS_DATA_FORK);
                *dnew = temp;
                /* DELTA: The boundary between two in-core extents moved. */
                temp = PREV.br_startoff;
@@ -1108,10 +1093,10 @@ xfs_bmap_add_extent_delay_real(
                 * The right neighbor is not contiguous.
                 */
                temp = PREV.br_blockcount - new->br_blockcount;
-               xfs_bmap_trace_pre_update(fname, "RF", ip, idx, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_PRE_UPDATE("RF", ip, idx, XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(ep, temp);
-               xfs_bmap_trace_insert(fname, "RF", ip, idx + 1, 1,
-                       new, NULL, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_INSERT("RF", ip, idx + 1, 1, new, NULL,
+                       XFS_DATA_FORK);
                xfs_iext_insert(ifp, idx + 1, 1, new);
                ip->i_df.if_lastex = idx + 1;
                ip->i_d.di_nextents++;
@@ -1143,7 +1128,7 @@ xfs_bmap_add_extent_delay_real(
                        (cur ? cur->bc_private.b.allocated : 0));
                ep = xfs_iext_get_ext(ifp, idx);
                xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp));
-               xfs_bmap_trace_post_update(fname, "RF", ip, idx, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_POST_UPDATE("RF", ip, idx, XFS_DATA_FORK);
                *dnew = temp;
                /* DELTA: One in-core extent is split in two. */
                temp = PREV.br_startoff;
@@ -1157,7 +1142,7 @@ xfs_bmap_add_extent_delay_real(
                 * This case is avoided almost all the time.
                 */
                temp = new->br_startoff - PREV.br_startoff;
-               xfs_bmap_trace_pre_update(fname, "0", ip, idx, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_PRE_UPDATE("0", ip, idx, XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(ep, temp);
                r[0] = *new;
                r[1].br_state = PREV.br_state;
@@ -1165,7 +1150,7 @@ xfs_bmap_add_extent_delay_real(
                r[1].br_startoff = new_endoff;
                temp2 = PREV.br_startoff + PREV.br_blockcount - new_endoff;
                r[1].br_blockcount = temp2;
-               xfs_bmap_trace_insert(fname, "0", ip, idx + 1, 2, &r[0], &r[1],
+               XFS_BMAP_TRACE_INSERT("0", ip, idx + 1, 2, &r[0], &r[1],
                        XFS_DATA_FORK);
                xfs_iext_insert(ifp, idx + 1, 2, &r[0]);
                ip->i_df.if_lastex = idx + 1;
@@ -1224,13 +1209,11 @@ xfs_bmap_add_extent_delay_real(
                }
                ep = xfs_iext_get_ext(ifp, idx);
                xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp));
-               xfs_bmap_trace_post_update(fname, "0", ip, idx, XFS_DATA_FORK);
-               xfs_bmap_trace_pre_update(fname, "0", ip, idx + 2,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_POST_UPDATE("0", ip, idx, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_PRE_UPDATE("0", ip, idx + 2, XFS_DATA_FORK);
                xfs_bmbt_set_startblock(xfs_iext_get_ext(ifp, idx + 2),
                        NULLSTARTBLOCK((int)temp2));
-               xfs_bmap_trace_post_update(fname, "0", ip, idx + 2,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_POST_UPDATE("0", ip, idx + 2, XFS_DATA_FORK);
                *dnew = temp + temp2;
                /* DELTA: One in-core extent is split in three. */
                temp = PREV.br_startoff;
@@ -1289,9 +1272,6 @@ xfs_bmap_add_extent_unwritten_real(
        xfs_btree_cur_t         *cur;   /* btree cursor */
        xfs_bmbt_rec_t          *ep;    /* extent entry for idx */
        int                     error;  /* error return value */
-#ifdef XFS_BMAP_TRACE
-       static char             fname[] = "xfs_bmap_add_extent_unwritten_real";
-#endif
        int                     i;      /* temp state */
        xfs_ifork_t             *ifp;   /* inode fork pointer */
        xfs_fileoff_t           new_endoff;     /* end offset of new entry */
@@ -1392,15 +1372,14 @@ xfs_bmap_add_extent_unwritten_real(
                 * Setting all of a previous oldext extent to newext.
                 * The left and right neighbors are both contiguous with new.
                 */
-               xfs_bmap_trace_pre_update(fname, "LF|RF|LC|RC", ip, idx - 1,
+               XFS_BMAP_TRACE_PRE_UPDATE("LF|RF|LC|RC", ip, idx - 1,
                        XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1),
                        LEFT.br_blockcount + PREV.br_blockcount +
                        RIGHT.br_blockcount);
-               xfs_bmap_trace_post_update(fname, "LF|RF|LC|RC", ip, idx - 1,
-                       XFS_DATA_FORK);
-               xfs_bmap_trace_delete(fname, "LF|RF|LC|RC", ip, idx, 2,
+               XFS_BMAP_TRACE_POST_UPDATE("LF|RF|LC|RC", ip, idx - 1,
                        XFS_DATA_FORK);
+               XFS_BMAP_TRACE_DELETE("LF|RF|LC|RC", ip, idx, 2, XFS_DATA_FORK);
                xfs_iext_remove(ifp, idx, 2);
                ip->i_df.if_lastex = idx - 1;
                ip->i_d.di_nextents -= 2;
@@ -1443,15 +1422,14 @@ xfs_bmap_add_extent_unwritten_real(
                 * Setting all of a previous oldext extent to newext.
                 * The left neighbor is contiguous, the right is not.
                 */
-               xfs_bmap_trace_pre_update(fname, "LF|RF|LC", ip, idx - 1,
+               XFS_BMAP_TRACE_PRE_UPDATE("LF|RF|LC", ip, idx - 1,
                        XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1),
                        LEFT.br_blockcount + PREV.br_blockcount);
-               xfs_bmap_trace_post_update(fname, "LF|RF|LC", ip, idx - 1,
+               XFS_BMAP_TRACE_POST_UPDATE("LF|RF|LC", ip, idx - 1,
                        XFS_DATA_FORK);
                ip->i_df.if_lastex = idx - 1;
-               xfs_bmap_trace_delete(fname, "LF|RF|LC", ip, idx, 1,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_DELETE("LF|RF|LC", ip, idx, 1, XFS_DATA_FORK);
                xfs_iext_remove(ifp, idx, 1);
                ip->i_d.di_nextents--;
                if (cur == NULL)
@@ -1486,16 +1464,15 @@ xfs_bmap_add_extent_unwritten_real(
                 * Setting all of a previous oldext extent to newext.
                 * The right neighbor is contiguous, the left is not.
                 */
-               xfs_bmap_trace_pre_update(fname, "LF|RF|RC", ip, idx,
+               XFS_BMAP_TRACE_PRE_UPDATE("LF|RF|RC", ip, idx,
                        XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(ep,
                        PREV.br_blockcount + RIGHT.br_blockcount);
                xfs_bmbt_set_state(ep, newext);
-               xfs_bmap_trace_post_update(fname, "LF|RF|RC", ip, idx,
+               XFS_BMAP_TRACE_POST_UPDATE("LF|RF|RC", ip, idx,
                        XFS_DATA_FORK);
                ip->i_df.if_lastex = idx;
-               xfs_bmap_trace_delete(fname, "LF|RF|RC", ip, idx + 1, 1,
-                       XFS_DATA_FORK);
+               XFS_BMAP_TRACE_DELETE("LF|RF|RC", ip, idx + 1, 1, XFS_DATA_FORK);
                xfs_iext_remove(ifp, idx + 1, 1);
                ip->i_d.di_nextents--;
                if (cur == NULL)
@@ -1531,10 +1508,10 @@ xfs_bmap_add_extent_unwritten_real(
                 * Neither the left nor right neighbors are contiguous with
                 * the new one.
                 */
-               xfs_bmap_trace_pre_update(fname, "LF|RF", ip, idx,
+               XFS_BMAP_TRACE_PRE_UPDATE("LF|RF", ip, idx,
                        XFS_DATA_FORK);
                xfs_bmbt_set_state(ep, newext);
-               xfs_bmap_trace_post_update(fname, "LF|RF", ip, idx,
+               XFS_BMAP_TRACE_POST_UPDATE("LF|RF", ip, idx,
                        XFS_DATA_FORK);
                ip->i_df.if_lastex = idx;
                if (cur == NULL)
@@ -1561,21 +1538,21 @@ xfs_bmap_add_extent_unwritten_real(
                 * Setting the first part of a previous oldext extent to newext.
                 * The left neighbor is contiguous.
                 */
-               xfs_bmap_trace_pre_update(fname, "LF|LC", ip, idx - 1,
+               XFS_BMAP_TRACE_PRE_UPDATE("LF|LC", ip, idx - 1,
                        XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1),
                        LEFT.br_blockcount + new->br_blockcount);
                xfs_bmbt_set_startoff(ep,
                        PREV.br_startoff + new->br_blockcount);
-               xfs_bmap_trace_post_update(fname, "LF|LC", ip, idx - 1,
+               XFS_BMAP_TRACE_POST_UPDATE("LF|LC", ip, idx - 1,
                        XFS_DATA_FORK);
-               xfs_bmap_trace_pre_update(fname, "LF|LC", ip, idx,
+               XFS_BMAP_TRACE_PRE_UPDATE("LF|LC", ip, idx,
                        XFS_DATA_FORK);
                xfs_bmbt_set_startblock(ep,
                        new->br_startblock + new->br_blockcount);
                xfs_bmbt_set_blockcount(ep,
                        PREV.br_blockcount - new->br_blockcount);
-               xfs_bmap_trace_post_update(fname, "LF|LC", ip, idx,
+               XFS_BMAP_TRACE_POST_UPDATE("LF|LC", ip, idx,
                        XFS_DATA_FORK);
                ip->i_df.if_lastex = idx - 1;
                if (cur == NULL)
@@ -1612,15 +1589,15 @@ xfs_bmap_add_extent_unwritten_real(
                 * Setting the first part of a previous oldext extent to newext.
                 * The left neighbor is not contiguous.
                 */
-               xfs_bmap_trace_pre_update(fname, "LF", ip, idx, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_PRE_UPDATE("LF", ip, idx, XFS_DATA_FORK);
                ASSERT(ep && xfs_bmbt_get_state(ep) == oldext);
                xfs_bmbt_set_startoff(ep, new_endoff);
                xfs_bmbt_set_blockcount(ep,
                        PREV.br_blockcount - new->br_blockcount);
                xfs_bmbt_set_startblock(ep,
                        new->br_startblock + new->br_blockcount);
-               xfs_bmap_trace_post_update(fname, "LF", ip, idx, XFS_DATA_FORK);
-               xfs_bmap_trace_insert(fname, "LF", ip, idx, 1, new, NULL,
+               XFS_BMAP_TRACE_POST_UPDATE("LF", ip, idx, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_INSERT("LF", ip, idx, 1, new, NULL,
                        XFS_DATA_FORK);
                xfs_iext_insert(ifp, idx, 1, new);
                ip->i_df.if_lastex = idx;
@@ -1655,18 +1632,18 @@ xfs_bmap_add_extent_unwritten_real(
                 * Setting the last part of a previous oldext extent to newext.
                 * The right neighbor is contiguous with the new allocation.
                 */
-               xfs_bmap_trace_pre_update(fname, "RF|RC", ip, idx,
+               XFS_BMAP_TRACE_PRE_UPDATE("RF|RC", ip, idx,
                        XFS_DATA_FORK);
-               xfs_bmap_trace_pre_update(fname, "RF|RC", ip, idx + 1,
+               XFS_BMAP_TRACE_PRE_UPDATE("RF|RC", ip, idx + 1,
                        XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(ep,
                        PREV.br_blockcount - new->br_blockcount);
-               xfs_bmap_trace_post_update(fname, "RF|RC", ip, idx,
+               XFS_BMAP_TRACE_POST_UPDATE("RF|RC", ip, idx,
                        XFS_DATA_FORK);
                xfs_bmbt_set_allf(xfs_iext_get_ext(ifp, idx + 1),
                        new->br_startoff, new->br_startblock,
                        new->br_blockcount + RIGHT.br_blockcount, newext);
-               xfs_bmap_trace_post_update(fname, "RF|RC", ip, idx + 1,
+               XFS_BMAP_TRACE_POST_UPDATE("RF|RC", ip, idx + 1,
                        XFS_DATA_FORK);
                ip->i_df.if_lastex = idx + 1;
                if (cur == NULL)
@@ -1702,12 +1679,12 @@ xfs_bmap_add_extent_unwritten_real(
                 * Setting the last part of a previous oldext extent to newext.
                 * The right neighbor is not contiguous.
                 */
-               xfs_bmap_trace_pre_update(fname, "RF", ip, idx, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_PRE_UPDATE("RF", ip, idx, XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(ep,
                        PREV.br_blockcount - new->br_blockcount);
-               xfs_bmap_trace_post_update(fname, "RF", ip, idx, XFS_DATA_FORK);
-               xfs_bmap_trace_insert(fname, "RF", ip, idx + 1, 1,
-                       new, NULL, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_POST_UPDATE("RF", ip, idx, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_INSERT("RF", ip, idx + 1, 1, new, NULL,
+                       XFS_DATA_FORK);
                xfs_iext_insert(ifp, idx + 1, 1, new);
                ip->i_df.if_lastex = idx + 1;
                ip->i_d.di_nextents++;
@@ -1746,17 +1723,17 @@ xfs_bmap_add_extent_unwritten_real(
                 * newext.  Contiguity is impossible here.
                 * One extent becomes three extents.
                 */
-               xfs_bmap_trace_pre_update(fname, "0", ip, idx, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_PRE_UPDATE("0", ip, idx, XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(ep,
                        new->br_startoff - PREV.br_startoff);
-               xfs_bmap_trace_post_update(fname, "0", ip, idx, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_POST_UPDATE("0", ip, idx, XFS_DATA_FORK);
                r[0] = *new;
                r[1].br_startoff = new_endoff;
                r[1].br_blockcount =
                        PREV.br_startoff + PREV.br_blockcount - new_endoff;
                r[1].br_startblock = new->br_startblock + new->br_blockcount;
                r[1].br_state = oldext;
-               xfs_bmap_trace_insert(fname, "0", ip, idx + 1, 2, &r[0], &r[1],
+               XFS_BMAP_TRACE_INSERT("0", ip, idx + 1, 2, &r[0], &r[1],
                        XFS_DATA_FORK);
                xfs_iext_insert(ifp, idx + 1, 2, &r[0]);
                ip->i_df.if_lastex = idx + 1;
@@ -1841,16 +1818,12 @@ STATIC int                              /* error */
 xfs_bmap_add_extent_hole_delay(
        xfs_inode_t             *ip,    /* incore inode pointer */
        xfs_extnum_t            idx,    /* extent number to update/insert */
-       xfs_btree_cur_t         *cur,   /* if null, not a btree */
        xfs_bmbt_irec_t         *new,   /* new data to add to file extents */
        int                     *logflagsp, /* inode logging flags */
        xfs_extdelta_t          *delta, /* Change made to incore extents */
        int                     rsvd)           /* OK to allocate reserved blocks */
 {
        xfs_bmbt_rec_t          *ep;    /* extent record for idx */
-#ifdef XFS_BMAP_TRACE
-       static char             fname[] = "xfs_bmap_add_extent_hole_delay";
-#endif
        xfs_ifork_t             *ifp;   /* inode fork pointer */
        xfs_bmbt_irec_t         left;   /* left neighbor extent entry */
        xfs_filblks_t           newlen=0;       /* new indirect size */
@@ -1922,7 +1895,7 @@ xfs_bmap_add_extent_hole_delay(
                 */
                temp = left.br_blockcount + new->br_blockcount +
                        right.br_blockcount;
-               xfs_bmap_trace_pre_update(fname, "LC|RC", ip, idx - 1,
+               XFS_BMAP_TRACE_PRE_UPDATE("LC|RC", ip, idx - 1,
                        XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1), temp);
                oldlen = STARTBLOCKVAL(left.br_startblock) +
@@ -1931,10 +1904,9 @@ xfs_bmap_add_extent_hole_delay(
                newlen = xfs_bmap_worst_indlen(ip, temp);
                xfs_bmbt_set_startblock(xfs_iext_get_ext(ifp, idx - 1),
                        NULLSTARTBLOCK((int)newlen));
-               xfs_bmap_trace_post_update(fname, "LC|RC", ip, idx - 1,
-                       XFS_DATA_FORK);
-               xfs_bmap_trace_delete(fname, "LC|RC", ip, idx, 1,
+               XFS_BMAP_TRACE_POST_UPDATE("LC|RC", ip, idx - 1,
                        XFS_DATA_FORK);
+               XFS_BMAP_TRACE_DELETE("LC|RC", ip, idx, 1, XFS_DATA_FORK);
                xfs_iext_remove(ifp, idx, 1);
                ip->i_df.if_lastex = idx - 1;
                /* DELTA: Two in-core extents were replaced by one. */
@@ -1949,7 +1921,7 @@ xfs_bmap_add_extent_hole_delay(
                 * Merge the new allocation with the left neighbor.
                 */
                temp = left.br_blockcount + new->br_blockcount;
-               xfs_bmap_trace_pre_update(fname, "LC", ip, idx - 1,
+               XFS_BMAP_TRACE_PRE_UPDATE("LC", ip, idx - 1,
                        XFS_DATA_FORK);
                xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1), temp);
                oldlen = STARTBLOCKVAL(left.br_startblock) +
@@ -1957,7 +1929,7 @@ xfs_bmap_add_extent_hole_delay(
                newlen = xfs_bmap_worst_indlen(ip, temp);
                xfs_bmbt_set_startblock(xfs_iext_get_ext(ifp, idx - 1),
                        NULLSTARTBLOCK((int)newlen));
-               xfs_bmap_trace_post_update(fname, "LC", ip, idx - 1,
+               XFS_BMAP_TRACE_POST_UPDATE("LC", ip, idx - 1,
                        XFS_DATA_FORK);
                ip->i_df.if_lastex = idx - 1;
                /* DELTA: One in-core extent grew into a hole. */
@@ -1971,14 +1943,14 @@ xfs_bmap_add_extent_hole_delay(
                 * on the right.
                 * Merge the new allocation with the right neighbor.
                 */
-               xfs_bmap_trace_pre_update(fname, "RC", ip, idx, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_PRE_UPDATE("RC", ip, idx, XFS_DATA_FORK);
                temp = new->br_blockcount + right.br_blockcount;
                oldlen = STARTBLOCKVAL(new->br_startblock) +
                        STARTBLOCKVAL(right.br_startblock);
                newlen = xfs_bmap_worst_indlen(ip, temp);
                xfs_bmbt_set_allf(ep, new->br_startoff,
                        NULLSTARTBLOCK((int)newlen), temp, right.br_state);
-               xfs_bmap_trace_post_update(fname, "RC", ip, idx, XFS_DATA_FORK);
+               XFS_BMAP_TRACE_POST_UPDATE("RC", ip, idx, XFS_DATA_FORK);
                ip->i_df.if_lastex = idx;
                /* DELTA: One in-core extent grew into a hole. */
                temp2 = temp;
@@ -1992,7 +1964,7 @@ xfs_bmap_add_extent_hole_delay(
                 * Insert a new entry.
                 */
                oldlen = newlen = 0;
-               xfs_bmap_trace_insert(fname, "0", ip, idx, 1, new, NULL,
+               XFS_BMAP_TRACE_INSERT("0", ip, idx, 1, new, NULL,
                        XFS_DATA_FORK);
                xfs_iext_insert(ifp, idx, 1, new);
                ip->i_df.if_lastex = idx;
@@ -2042,9 +2014,6 @@ xfs_bmap_add_extent_hole_real(
 {
        xfs_bmbt_rec_t          *ep;    /* pointer to extent entry ins. point */
        int                     error;  /* error return value */
-#ifdef XFS_BMAP_TRACE
-       static char             fname[] = "xfs_bmap_add_extent_hole_real";
-#endif
        int                     i;      /* temp state */
        xfs_ifork_t             *ifp;   /* inode fork pointer */
        xfs_bmbt_irec_t         left;   /* left neighbor extent entry */
@@ -2121,15 +2090,14 @@ xfs_bmap_add_extent_hole_real(
                 * left and on the right.
                 * Merge all three into a single extent record.
                 */
-               xfs_bmap_trace_pre_update(fname, "LC|RC", ip, idx - 1,
+               XFS_BMAP_TRACE_PRE_UPDATE("LC|RC", ip, idx - 1,
                        whichfork);
                xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1),
                        left.br_blockcount + new->br_blockcount +
                        right.br_blockcount);
-               xfs_bmap_trace_post_update(fname, "LC|RC", ip, idx - 1,
+               XFS_BMAP_TRACE_POST_UPDATE("LC|RC", ip, idx - 1,
                        whichfork);
-               xfs_bmap_trace_delete(fname, "LC|RC", ip,
-                       idx, 1, whichfork);
+               XFS_BMAP_TRACE_DELETE("LC|RC", ip, idx, 1, whichfork);
                xfs_iext_remove(ifp, idx, 1);
                ifp->if_lastex = idx - 1;
                XFS_IFORK_NEXT_SET(ip, whichfork,
@@ -2171,10 +2139,10 @@ xfs_bmap_add_extent_hole_real(
                 * on the left.
                 * Merge the new allocation with the left neighbor.
                 */
-               xfs_bmap_trace_pre_update(fname, "LC", ip, idx - 1, whichfork);
+               XFS_BMAP_TRACE_PRE_UPDATE("LC", ip, idx - 1, whichfork);
                xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1),
                        left.br_blockcount + new->br_blockcount);
-               xfs_bmap_trace_post_update(fname, "LC", ip, idx - 1, whichfork);
+               XFS_BMAP_TRACE_POST_UPDATE("LC", ip, idx - 1, whichfork);
                ifp->if_lastex = idx - 1;
                if (cur == NULL) {
                        rval = XFS_ILOG_FEXT(whichfork);
@@ -2205,11 +2173,11 @@ xfs_bmap_add_extent_hole_real(
                 * on the right.
                 * Merge the new allocation with the right neighbor.
                 */
-               xfs_bmap_trace_pre_update(fname, "RC", ip, idx, whichfork);
+               XFS_BMAP_TRACE_PRE_UPDATE("RC", ip, idx, whichfork);
                xfs_bmbt_set_allf(ep, new->br_startoff, new->br_startblock,
                        new->br_blockcount + right.br_blockcount,
                        right.br_state);
-               xfs_bmap_trace_post_update(fname, "RC", ip, idx, whichfork);
+               XFS_BMAP_TRACE_POST_UPDATE("RC", ip, idx, whichfork);
                ifp->if_lastex = idx;
                if (cur == NULL) {
                        rval = XFS_ILOG_FEXT(whichfork);
@@ -2240,8 +2208,7 @@ xfs_bmap_add_extent_hole_real(
                 * real allocation.
                 * Insert a new entry.
                 */
-               xfs_bmap_trace_insert(fname, "0", ip, idx, 1, new, NULL,
-                       whichfork);
+               XFS_BMAP_TRACE_INSERT("0", ip, idx, 1, new, NULL, whichfork);
                xfs_iext_insert(ifp, idx, 1, new);
                ifp->if_lastex = idx;
                XFS_IFORK_NEXT_SET(ip, whichfork,
@@ -2608,12 +2575,10 @@ xfs_bmap_rtalloc(
        xfs_extlen_t    prod = 0;       /* product factor for allocators */
        xfs_extlen_t    ralen = 0;      /* realtime allocation length */
        xfs_extlen_t    align;          /* minimum allocation alignment */
-       xfs_rtblock_t   rtx;            /* realtime extent number */
        xfs_rtblock_t   rtb;
 
        mp = ap->ip->i_mount;
-       align = ap->ip->i_d.di_extsize ?
-               ap->ip->i_d.di_extsize : mp->m_sb.sb_rextsize;
+       align = xfs_get_extsz_hint(ap->ip);
        prod = align / mp->m_sb.sb_rextsize;
        error = xfs_bmap_extsize_align(mp, ap->gotp, ap->prevp,
                                        align, 1, ap->eof, 0,
@@ -2647,6 +2612,8 @@ xfs_bmap_rtalloc(
         * pick an extent that will space things out in the rt area.
         */
        if (ap->eof && ap->off == 0) {
+               xfs_rtblock_t uninitialized_var(rtx); /* realtime extent no */
+
                error = xfs_rtpick_extent(mp, ap->tp, ralen, &rtx);
                if (error)
                        return error;
@@ -2718,9 +2685,7 @@ xfs_bmap_btalloc(
        int             error;
 
        mp = ap->ip->i_mount;
-       align = (ap->userdata && ap->ip->i_d.di_extsize &&
-               (ap->ip->i_d.di_flags & XFS_DIFLAG_EXTSIZE)) ?
-               ap->ip->i_d.di_extsize : 0;
+       align = ap->userdata ? xfs_get_extsz_hint(ap->ip) : 0;
        if (unlikely(align)) {
                error = xfs_bmap_extsize_align(mp, ap->gotp, ap->prevp,
                                                align, 0, ap->eof, 0, ap->conv,
@@ -2730,9 +2695,15 @@ xfs_bmap_btalloc(
        }
        nullfb = ap->firstblock == NULLFSBLOCK;
        fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, ap->firstblock);
-       if (nullfb)
-               ap->rval = XFS_INO_TO_FSB(mp, ap->ip->i_ino);
-       else
+       if (nullfb) {
+               if (ap->userdata && xfs_inode_is_filestream(ap->ip)) {
+                       ag = xfs_filestream_lookup_ag(ap->ip);
+                       ag = (ag != NULLAGNUMBER) ? ag : 0;
+                       ap->rval = XFS_AGB_TO_FSB(mp, ag, 0);
+               } else {
+                       ap->rval = XFS_INO_TO_FSB(mp, ap->ip->i_ino);
+               }
+       } else
                ap->rval = ap->firstblock;
 
        xfs_bmap_adjacent(ap);
@@ -2756,13 +2727,22 @@ xfs_bmap_btalloc(
        args.firstblock = ap->firstblock;
        blen = 0;
        if (nullfb) {
-               args.type = XFS_ALLOCTYPE_START_BNO;
+               if (ap->userdata && xfs_inode_is_filestream(ap->ip))
+                       args.type = XFS_ALLOCTYPE_NEAR_BNO;
+               else
+                       args.type = XFS_ALLOCTYPE_START_BNO;
                args.total = ap->total;
+
                /*
-                * Find the longest available space.
-                * We're going to try for the whole allocation at once.
+                * Search for an allocation group with a single extent
+                * large enough for the request.
+                *
+                * If one isn't found, then adjust the minimum allocation
+                * size to the largest space found.
                 */
                startag = ag = XFS_FSB_TO_AGNO(mp, args.fsbno);
+               if (startag == NULLAGNUMBER)
+                       startag = ag = 0;
                notinit = 0;
                down_read(&mp->m_peraglock);
                while (blen < ap->alen) {
@@ -2788,6 +2768,35 @@ xfs_bmap_btalloc(
                                        blen = longest;
                        } else
                                notinit = 1;
+
+                       if (xfs_inode_is_filestream(ap->ip)) {
+                               if (blen >= ap->alen)
+                                       break;
+
+                               if (ap->userdata) {
+                                       /*
+                                        * If startag is an invalid AG, we've
+                                        * come here once before and
+                                        * xfs_filestream_new_ag picked the
+                                        * best currently available.
+                                        *
+                                        * Don't continue looping, since we
+                                        * could loop forever.
+                                        */
+                                       if (startag == NULLAGNUMBER)
+                                               break;
+
+                                       error = xfs_filestream_new_ag(ap, &ag);
+                                       if (error) {
+                                               up_read(&mp->m_peraglock);
+                                               return error;
+                                       }
+
+                                       /* loop again to set 'blen'*/
+                                       startag = NULLAGNUMBER;
+                                       continue;
+                               }
+                       }
                        if (++ag == mp->m_sb.sb_agcount)
                                ag = 0;
                        if (ag == startag)
@@ -2812,17 +2821,27 @@ xfs_bmap_btalloc(
                 */
                else
                        args.minlen = ap->alen;
+
+               /*
+                * set the failure fallback case to look in the selected
+                * AG as the stream may have moved.
+                */
+               if (xfs_inode_is_filestream(ap->ip))
+                       ap->rval = args.fsbno = XFS_AGB_TO_FSB(mp, ag, 0);
        } else if (ap->low) {
-               args.type = XFS_ALLOCTYPE_START_BNO;
+               if (xfs_inode_is_filestream(ap->ip))
+                       args.type = XFS_ALLOCTYPE_FIRST_AG;
+               else
+                       args.type = XFS_ALLOCTYPE_START_BNO;
                args.total = args.minlen = ap->minlen;
        } else {
                args.type = XFS_ALLOCTYPE_NEAR_BNO;
                args.total = ap->total;
                args.minlen = ap->minlen;
        }
-       if (unlikely(ap->userdata && ap->ip->i_d.di_extsize &&
-                   (ap->ip->i_d.di_flags & XFS_DIFLAG_EXTSIZE))) {
-               args.prod = ap->ip->i_d.di_extsize;
+       /* apply extent size hints if obtained earlier */
+       if (unlikely(align)) {
+               args.prod = align;
                if ((args.mod = (xfs_extlen_t)do_mod(ap->off, args.prod)))
                        args.mod = (xfs_extlen_t)(args.prod - args.mod);
        } else if (mp->m_sb.sb_blocksize >= NBPP) {
@@ -3054,9 +3073,6 @@ xfs_bmap_del_extent(
        xfs_bmbt_rec_t          *ep;    /* current extent entry pointer */
        int                     error;  /* error return value */
        int                     flags;  /* inode logging flags */
-#ifdef XFS_BMAP_TRACE
-       static char             fname[] = "xfs_bmap_del_extent";
-#endif
        xfs_bmbt_irec_t         got;    /* current extent entry */
        xfs_fileoff_t           got_endoff;     /* first offset past got */
        int                     i;      /* temp state */
@@ -3150,7 +3166,7 @@ xfs_bmap_del_extent(
                /*
                 * Matches the whole extent.  Delete the entry.
                 */
-               xfs_bmap_trace_delete(fname, "3", ip, idx, 1, whichfork);
+               XFS_BMAP_TRACE_DELETE("3", ip, idx, 1, whichfork);
                xfs_iext_remove(ifp, idx, 1);
                ifp->if_lastex = idx;
                if (delay)
@@ -3171,7 +3187,7 @@ xfs_bmap_del_extent(
                /*
                 * Deleting the first part of the extent.
                 */
-               xfs_bmap_trace_pre_update(fname, "2", ip, idx, whichfork);
+               XFS_BMAP_TRACE_PRE_UPDATE("2", ip, idx, whichfork);
                xfs_bmbt_set_startoff(ep, del_endoff);
                temp = got.br_blockcount - del->br_blockcount;
                xfs_bmbt_set_blockcount(ep, temp);
@@ -3180,13 +3196,13 @@ xfs_bmap_del_extent(
                        temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp),
                                da_old);
                        xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp));
-                       xfs_bmap_trace_post_update(fname, "2", ip, idx,
+                       XFS_BMAP_TRACE_POST_UPDATE("2", ip, idx,
                                whichfork);
                        da_new = temp;
                        break;
                }
                xfs_bmbt_set_startblock(ep, del_endblock);
-               xfs_bmap_trace_post_update(fname, "2", ip, idx, whichfork);
+               XFS_BMAP_TRACE_POST_UPDATE("2", ip, idx, whichfork);
                if (!cur) {
                        flags |= XFS_ILOG_FEXT(whichfork);
                        break;
@@ -3202,19 +3218,19 @@ xfs_bmap_del_extent(
                 * Deleting the last part of the extent.
                 */
                temp = got.br_blockcount - del->br_blockcount;
-               xfs_bmap_trace_pre_update(fname, "1", ip, idx, whichfork);
+               XFS_BMAP_TRACE_PRE_UPDATE("1", ip, idx, whichfork);
                xfs_bmbt_set_blockcount(ep, temp);
                ifp->if_lastex = idx;
                if (delay) {
                        temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp),
                                da_old);
                        xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp));
-                       xfs_bmap_trace_post_update(fname, "1", ip, idx,
+                       XFS_BMAP_TRACE_POST_UPDATE("1", ip, idx,
                                whichfork);
                        da_new = temp;
                        break;
                }
-               xfs_bmap_trace_post_update(fname, "1", ip, idx, whichfork);
+               XFS_BMAP_TRACE_POST_UPDATE("1", ip, idx, whichfork);
                if (!cur) {
                        flags |= XFS_ILOG_FEXT(whichfork);
                        break;
@@ -3231,7 +3247,7 @@ xfs_bmap_del_extent(
                 * Deleting the middle of the extent.
                 */
                temp = del->br_startoff - got.br_startoff;
-               xfs_bmap_trace_pre_update(fname, "0", ip, idx, whichfork);
+               XFS_BMAP_TRACE_PRE_UPDATE("0", ip, idx, whichfork);
                xfs_bmbt_set_blockcount(ep, temp);
                new.br_startoff = del_endoff;
                temp2 = got_endoff - del_endoff;
@@ -3318,8 +3334,8 @@ xfs_bmap_del_extent(
                                }
                        }
                }
-               xfs_bmap_trace_post_update(fname, "0", ip, idx, whichfork);
-               xfs_bmap_trace_insert(fname, "0", ip, idx + 1, 1, &new, NULL,
+               XFS_BMAP_TRACE_POST_UPDATE("0", ip, idx, whichfork);
+               XFS_BMAP_TRACE_INSERT("0", ip, idx + 1, 1, &new, NULL,
                        whichfork);
                xfs_iext_insert(ifp, idx + 1, 1, &new);
                ifp->if_lastex = idx + 1;
@@ -3559,9 +3575,6 @@ xfs_bmap_local_to_extents(
 {
        int             error;          /* error return value */
        int             flags;          /* logging flags returned */
-#ifdef XFS_BMAP_TRACE
-       static char     fname[] = "xfs_bmap_local_to_extents";
-#endif
        xfs_ifork_t     *ifp;           /* inode fork pointer */
 
        /*
@@ -3616,7 +3629,7 @@ xfs_bmap_local_to_extents(
                xfs_iext_add(ifp, 0, 1);
                ep = xfs_iext_get_ext(ifp, 0);
                xfs_bmbt_set_allf(ep, 0, args.fsbno, 1, XFS_EXT_NORM);
-               xfs_bmap_trace_post_update(fname, "new", ip, 0, whichfork);
+               XFS_BMAP_TRACE_POST_UPDATE("new", ip, 0, whichfork);
                XFS_IFORK_NEXT_SET(ip, whichfork, 1);
                ip->i_d.di_nblocks = 1;
                XFS_TRANS_MOD_DQUOT_BYINO(args.mp, tp, ip,
@@ -3739,7 +3752,7 @@ ktrace_t  *xfs_bmap_trace_buf;
 STATIC void
 xfs_bmap_trace_addentry(
        int             opcode,         /* operation */
-       char            *fname,         /* function name */
+       const char      *fname,         /* function name */
        char            *desc,          /* operation description */
        xfs_inode_t     *ip,            /* incore inode pointer */
        xfs_extnum_t    idx,            /* index of entry(ies) */
@@ -3798,7 +3811,7 @@ xfs_bmap_trace_addentry(
  */
 STATIC void
 xfs_bmap_trace_delete(
-       char            *fname,         /* function name */
+       const char      *fname,         /* function name */
        char            *desc,          /* operation description */
        xfs_inode_t     *ip,            /* incore inode pointer */
        xfs_extnum_t    idx,            /* index of entry(entries) deleted */
@@ -3820,7 +3833,7 @@ xfs_bmap_trace_delete(
  */
 STATIC void
 xfs_bmap_trace_insert(
-       char            *fname,         /* function name */
+       const char      *fname,         /* function name */
        char            *desc,          /* operation description */
        xfs_inode_t     *ip,            /* incore inode pointer */
        xfs_extnum_t    idx,            /* index of entry(entries) inserted */
@@ -3849,7 +3862,7 @@ xfs_bmap_trace_insert(
  */
 STATIC void
 xfs_bmap_trace_post_update(
-       char            *fname,         /* function name */
+       const char      *fname,         /* function name */
        char            *desc,          /* operation description */
        xfs_inode_t     *ip,            /* incore inode pointer */
        xfs_extnum_t    idx,            /* index of entry updated */
@@ -3867,7 +3880,7 @@ xfs_bmap_trace_post_update(
  */
 STATIC void
 xfs_bmap_trace_pre_update(
-       char            *fname,         /* function name */
+       const char      *fname,         /* function name */
        char            *desc,          /* operation description */
        xfs_inode_t     *ip,            /* incore inode pointer */
        xfs_extnum_t    idx,            /* index of entry to be updated */
@@ -4071,7 +4084,7 @@ xfs_bmap_add_attrfork(
        }
        if ((error = xfs_bmap_finish(&tp, &flist, &committed)))
                goto error2;
-       error = xfs_trans_commit(tp, XFS_TRANS_PERM_LOG_RES, NULL);
+       error = xfs_trans_commit(tp, XFS_TRANS_PERM_LOG_RES);
        ASSERT(ip->i_df.if_ext_max ==
               XFS_IFORK_DSIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t));
        return error;
@@ -4227,7 +4240,7 @@ xfs_bmap_finish(
        logres = ntp->t_log_res;
        logcount = ntp->t_log_count;
        ntp = xfs_trans_dup(*tp);
-       error = xfs_trans_commit(*tp, 0, NULL);
+       error = xfs_trans_commit(*tp, 0);
        *tp = ntp;
        *committed = 1;
        /*
@@ -4447,8 +4460,11 @@ xfs_bmap_one_block(
        xfs_bmbt_irec_t s;              /* internal version of extent */
 
 #ifndef DEBUG
-       if (whichfork == XFS_DATA_FORK)
-               return ip->i_d.di_size == ip->i_mount->m_sb.sb_blocksize;
+       if (whichfork == XFS_DATA_FORK) {
+               return ((ip->i_d.di_mode & S_IFMT) == S_IFREG) ?
+                       (ip->i_size == ip->i_mount->m_sb.sb_blocksize) :
+                       (ip->i_d.di_size == ip->i_mount->m_sb.sb_blocksize);
+       }
 #endif /* !DEBUG */
        if (XFS_IFORK_NEXTENTS(ip, whichfork) != 1)
                return 0;
@@ -4460,7 +4476,7 @@ xfs_bmap_one_block(
        xfs_bmbt_get_all(ep, &s);
        rval = s.br_startoff == 0 && s.br_blockcount == 1;
        if (rval && whichfork == XFS_DATA_FORK)
-               ASSERT(ip->i_d.di_size == ip->i_mount->m_sb.sb_blocksize);
+               ASSERT(ip->i_size == ip->i_mount->m_sb.sb_blocksize);
        return rval;
 }
 
@@ -4481,9 +4497,6 @@ xfs_bmap_read_extents(
        xfs_buf_t               *bp;    /* buffer for "block" */
        int                     error;  /* error return value */
        xfs_exntfmt_t           exntf;  /* XFS_EXTFMT_NOSTATE, if checking */
-#ifdef XFS_BMAP_TRACE
-       static char             fname[] = "xfs_bmap_read_extents";
-#endif
        xfs_extnum_t            i, j;   /* index into the extents list */
        xfs_ifork_t             *ifp;   /* fork structure */
        int                     level;  /* btree level, for checking */
@@ -4600,7 +4613,7 @@ xfs_bmap_read_extents(
        }
        ASSERT(i == (ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t)));
        ASSERT(i == XFS_IFORK_NEXTENTS(ip, whichfork));
-       xfs_bmap_trace_exlist(fname, ip, i, whichfork);
+       XFS_BMAP_TRACE_EXLIST(ip, i, whichfork);
        return 0;
 error0:
        xfs_trans_brelse(tp, bp);
@@ -4613,7 +4626,7 @@ error0:
  */
 void
 xfs_bmap_trace_exlist(
-       char            *fname,         /* function name */
+       const char      *fname,         /* function name */
        xfs_inode_t     *ip,            /* incore inode pointer */
        xfs_extnum_t    cnt,            /* count of entries in the list */
        int             whichfork)      /* data or attr fork */
@@ -4628,7 +4641,7 @@ xfs_bmap_trace_exlist(
        for (idx = 0; idx < cnt; idx++) {
                ep = xfs_iext_get_ext(ifp, idx);
                xfs_bmbt_get_all(ep, &s);
-               xfs_bmap_trace_insert(fname, "exlist", ip, idx, 1, &s, NULL,
+               XFS_BMAP_TRACE_INSERT("exlist", ip, idx, 1, &s, NULL,
                        whichfork);
        }
 }
@@ -4868,12 +4881,7 @@ xfs_bmapi(
                                xfs_extlen_t    extsz;
 
                                /* Figure out the extent size, adjust alen */
-                               if (rt) {
-                                       if (!(extsz = ip->i_d.di_extsize))
-                                               extsz = mp->m_sb.sb_rextsize;
-                               } else {
-                                       extsz = ip->i_d.di_extsize;
-                               }
+                               extsz = xfs_get_extsz_hint(ip);
                                if (extsz) {
                                        error = xfs_bmap_extsize_align(mp,
                                                        &got, &prev, extsz,
@@ -5219,10 +5227,10 @@ xfs_bmapi(
                 * Else go on to the next record.
                 */
                ep = xfs_iext_get_ext(ifp, ++lastx);
-               if (lastx >= nextents) {
+               prev = got;
+               if (lastx >= nextents)
                        eof = 1;
-                       prev = got;
-               } else
+               else
                        xfs_bmbt_get_all(ep, &got);
        }
        ifp->if_lastex = lastx;
@@ -5813,14 +5821,13 @@ xfs_getbmap(
                   ip->i_d.di_format != XFS_DINODE_FMT_LOCAL)
                return XFS_ERROR(EINVAL);
        if (whichfork == XFS_DATA_FORK) {
-               if ((ip->i_d.di_extsize && (ip->i_d.di_flags &
-                               (XFS_DIFLAG_REALTIME|XFS_DIFLAG_EXTSIZE))) ||
+               if (xfs_get_extsz_hint(ip) ||
                    ip->i_d.di_flags & (XFS_DIFLAG_PREALLOC|XFS_DIFLAG_APPEND)){
                        prealloced = 1;
                        fixlen = XFS_MAXIOFFSET(mp);
                } else {
                        prealloced = 0;
-                       fixlen = ip->i_d.di_size;
+                       fixlen = ip->i_size;
                }
        } else {
                prealloced = 0;
@@ -5844,7 +5851,8 @@ xfs_getbmap(
 
        xfs_ilock(ip, XFS_IOLOCK_SHARED);
 
-       if (whichfork == XFS_DATA_FORK && ip->i_delayed_blks) {
+       if (whichfork == XFS_DATA_FORK &&
+               (ip->i_delayed_blks || ip->i_size > ip->i_d.di_size)) {
                /* xfs_fsize_t last_byte = xfs_file_last_byte(ip); */
                error = bhv_vop_flush_pages(vp, (xfs_off_t)0, -1, 0, FI_REMAPF);
        }
@@ -6425,8 +6433,8 @@ xfs_bmap_count_tree(
                for (;;) {
                        nextbno = be64_to_cpu(block->bb_rightsib);
                        numrecs = be16_to_cpu(block->bb_numrecs);
-                       if (unlikely(xfs_bmap_disk_count_leaves(ifp,
-                                       0, block, numrecs, count) < 0)) {
+                       if (unlikely(xfs_bmap_disk_count_leaves(0,
+                                       block, numrecs, count) < 0)) {
                                xfs_trans_brelse(tp, bp);
                                XFS_ERROR_REPORT("xfs_bmap_count_tree(2)",
                                                 XFS_ERRLEVEL_LOW, mp);
@@ -6472,7 +6480,6 @@ xfs_bmap_count_leaves(
  */
 int
 xfs_bmap_disk_count_leaves(
-       xfs_ifork_t             *ifp,
        xfs_extnum_t            idx,
        xfs_bmbt_block_t        *block,
        int                     numrecs,