#include "jfs_superblock.h"
#include "jfs_debug.h"
+/*
+ * __mark_inode_dirty expects inodes to be hashed. Since we don't want
+ * special inodes in the fileset inode space, we hash them to a dummy head
+ */
+static HLIST_HEAD(aggregate_hash);
+
/*
* imap locks
*/
/* iag free list lock */
-#define IAGFREE_LOCK_INIT(imap) init_MUTEX(&imap->im_freelock)
-#define IAGFREE_LOCK(imap) down(&imap->im_freelock)
-#define IAGFREE_UNLOCK(imap) up(&imap->im_freelock)
+#define IAGFREE_LOCK_INIT(imap) mutex_init(&imap->im_freelock)
+#define IAGFREE_LOCK(imap) mutex_lock(&imap->im_freelock)
+#define IAGFREE_UNLOCK(imap) mutex_unlock(&imap->im_freelock)
/* per ag iag list locks */
-#define AG_LOCK_INIT(imap,index) init_MUTEX(&(imap->im_aglock[index]))
-#define AG_LOCK(imap,agno) down(&imap->im_aglock[agno])
-#define AG_UNLOCK(imap,agno) up(&imap->im_aglock[agno])
+#define AG_LOCK_INIT(imap,index) mutex_init(&(imap->im_aglock[index]))
+#define AG_LOCK(imap,agno) mutex_lock(&imap->im_aglock[agno])
+#define AG_UNLOCK(imap,agno) mutex_unlock(&imap->im_aglock[agno])
/*
* forward references
*/
-static int diAllocAG(struct inomap *, int, boolean_t, struct inode *);
-static int diAllocAny(struct inomap *, int, boolean_t, struct inode *);
+static int diAllocAG(struct inomap *, int, bool, struct inode *);
+static int diAllocAny(struct inomap *, int, bool, struct inode *);
static int diAllocBit(struct inomap *, struct iag *, int);
static int diAllocExt(struct inomap *, int, struct inode *);
static int diAllocIno(struct inomap *, int, struct inode *);
static int copy_from_dinode(struct dinode *, struct inode *);
static void copy_to_dinode(struct dinode *, struct inode *);
-/*
- * debug code for double-checking inode map
- */
-/* #define _JFS_DEBUG_IMAP 1 */
-
-#ifdef _JFS_DEBUG_IMAP
-#define DBG_DIINIT(imap) DBGdiInit(imap)
-#define DBG_DIALLOC(imap, ino) DBGdiAlloc(imap, ino)
-#define DBG_DIFREE(imap, ino) DBGdiFree(imap, ino)
-
-static void *DBGdiInit(struct inomap * imap);
-static void DBGdiAlloc(struct inomap * imap, ino_t ino);
-static void DBGdiFree(struct inomap * imap, ino_t ino);
-#else
-#define DBG_DIINIT(imap)
-#define DBG_DIALLOC(imap, ino)
-#define DBG_DIFREE(imap, ino)
-#endif /* _JFS_DEBUG_IMAP */
-
/*
* NAME: diMount()
*
imap->im_ipimap = ipimap;
JFS_IP(ipimap)->i_imap = imap;
-// DBG_DIINIT(imap);
-
return (0);
}
/*
* write out dirty pages of imap
*/
- filemap_fdatawrite(ipimap->i_mapping);
- filemap_fdatawait(ipimap->i_mapping);
+ filemap_write_and_wait(ipimap->i_mapping);
diWriteSpecial(ipimap, 0);
/* release the page */
release_metapage(mp);
+ hlist_add_head(&ip->i_hash, &aggregate_hash);
+
return (ip);
}
ino_t inum = ip->i_ino;
struct metapage *mp;
- ip->i_state &= ~I_DIRTY;
-
if (secondary)
address = addressPXD(&sbi->ait2) >> sbi->l2nbperpage;
else
jfs_err("diFreeSpecial called with NULL ip!");
return;
}
- filemap_fdatawrite(ip->i_mapping);
- filemap_fdatawait(ip->i_mapping);
+ filemap_write_and_wait(ip->i_mapping);
truncate_inode_pages(ip->i_mapping, 0);
iput(ip);
}
/* update the bitmap.
*/
iagp->wmap[extno] = cpu_to_le32(bitmap);
- DBG_DIFREE(imap, inum);
/* update the free inode counts at the iag, ag and
* map level.
jfs_error(ip->i_sb, "diFree: the pmap does not show inode free");
}
iagp->wmap[extno] = 0;
- DBG_DIFREE(imap, inum);
PXDlength(&iagp->inoext[extno], 0);
PXDaddress(&iagp->inoext[extno], 0);
* to be freed by the transaction;
*/
tid = txBegin(ipimap->i_sb, COMMIT_FORCE);
- down(&JFS_IP(ipimap)->commit_sem);
+ mutex_lock(&JFS_IP(ipimap)->commit_mutex);
/* acquire tlock of the iag page of the freed ixad
* to force the page NOHOMEOK (even though no data is
rc = txCommit(tid, 1, &iplist[0], COMMIT_FORCE);
txEnd(tid);
- up(&JFS_IP(ipimap)->commit_sem);
+ mutex_unlock(&JFS_IP(ipimap)->commit_mutex);
/* unlock the AG inode map information */
AG_UNLOCK(imap, agno);
struct jfs_inode_info *jfs_ip = JFS_IP(ip);
ip->i_ino = (iagno << L2INOSPERIAG) + ino;
- DBG_DIALLOC(JFS_IP(ipimap)->i_imap, ip->i_ino);
jfs_ip->ixpxd = iagp->inoext[extno];
jfs_ip->agno = BLKTOAG(le64_to_cpu(iagp->agstart), sbi);
jfs_ip->active_ag = -1;
*
* PARAMETERS:
* pip - pointer to incore inode for the parent inode.
- * dir - TRUE if the new disk inode is for a directory.
+ * dir - 'true' if the new disk inode is for a directory.
* ip - pointer to a new inode
*
* RETURN VALUES:
* -ENOSPC - insufficient disk resources.
* -EIO - i/o error.
*/
-int diAlloc(struct inode *pip, boolean_t dir, struct inode *ip)
+int diAlloc(struct inode *pip, bool dir, struct inode *ip)
{
int rc, ino, iagno, addext, extno, bitno, sword;
int nwords, rem, i, agno;
/* for a directory, the allocation policy is to start
* at the ag level using the preferred ag.
*/
- if (dir == TRUE) {
+ if (dir) {
agno = dbNextAG(JFS_SBI(pip->i_sb)->ipbmap);
AG_LOCK(imap, agno);
goto tryag;
* PARAMETERS:
* imap - pointer to inode map control structure.
* agno - allocation group to allocate from.
- * dir - TRUE if the new disk inode is for a directory.
+ * dir - 'true' if the new disk inode is for a directory.
* ip - pointer to the new inode to be filled in on successful return
* with the disk inode number allocated, its extent address
* and the start of the ag.
* -EIO - i/o error.
*/
static int
-diAllocAG(struct inomap * imap, int agno, boolean_t dir, struct inode *ip)
+diAllocAG(struct inomap * imap, int agno, bool dir, struct inode *ip)
{
int rc, addext, numfree, numinos;
* if there are a small number of free inodes or number of free
* inodes is a small percentage of the number of backed inodes.
*/
- if (dir == TRUE)
+ if (dir)
addext = (numfree < 64 ||
(numfree < 256
&& ((numfree * 100) / numinos) <= 20));
* PARAMETERS:
* imap - pointer to inode map control structure.
* agno - primary allocation group (to avoid).
- * dir - TRUE if the new disk inode is for a directory.
+ * dir - 'true' if the new disk inode is for a directory.
* ip - pointer to a new inode to be filled in on successful return
* with the disk inode number allocated, its extent address
* and the start of the ag.
* -EIO - i/o error.
*/
static int
-diAllocAny(struct inomap * imap, int agno, boolean_t dir, struct inode *ip)
+diAllocAny(struct inomap * imap, int agno, bool dir, struct inode *ip)
{
int ag, rc;
int maxag = JFS_SBI(imap->im_ipimap->i_sb)->bmap->db_maxag;
* addressing structure pointing to the new iag page;
*/
tid = txBegin(sb, COMMIT_FORCE);
- down(&JFS_IP(ipimap)->commit_sem);
+ mutex_lock(&JFS_IP(ipimap)->commit_mutex);
/* update the inode map addressing structure to point to it */
if ((rc =
xtInsert(tid, ipimap, 0, blkno, xlen, &xaddr, 0))) {
txEnd(tid);
- up(&JFS_IP(ipimap)->commit_sem);
+ mutex_unlock(&JFS_IP(ipimap)->commit_mutex);
/* Free the blocks allocated for the iag since it was
* not successfully added to the inode map
*/
rc = txCommit(tid, 1, &iplist[0], COMMIT_FORCE);
txEnd(tid);
- up(&JFS_IP(ipimap)->commit_sem);
+ mutex_unlock(&JFS_IP(ipimap)->commit_mutex);
duplicateIXtree(sb, blkno, xlen, &xaddr);
* PARAMETERS:
* ipimap - Incore inode map inode
* inum - Number of inode to mark in permanent map
- * is_free - If TRUE indicates inode should be marked freed, otherwise
+ * is_free - If 'true' indicates inode should be marked freed, otherwise
* indicates inode should be marked allocated.
*
* RETURN VALUES:
*/
int
diUpdatePMap(struct inode *ipimap,
- unsigned long inum, boolean_t is_free, struct tblock * tblk)
+ unsigned long inum, bool is_free, struct tblock * tblk)
{
int rc;
struct iag *iagp;
/*
* mark the inode free in persistent map:
*/
- if (is_free == TRUE) {
+ if (is_free) {
/* The inode should have been allocated both in working
* map and in persistent map;
* the inode will be freed from working map at the release
*/
lsn = tblk->lsn;
log = JFS_SBI(tblk->sb)->log;
+ LOGSYNC_LOCK(log, flags);
if (mp->lsn != 0) {
/* inherit older/smaller lsn */
logdiff(difft, lsn, log);
logdiff(diffp, mp->lsn, log);
- LOGSYNC_LOCK(log, flags);
if (difft < diffp) {
mp->lsn = lsn;
/* move mp after tblock in logsync list */
logdiff(diffp, mp->clsn, log);
if (difft > diffp)
mp->clsn = tblk->clsn;
- LOGSYNC_UNLOCK(log, flags);
} else {
mp->log = log;
mp->lsn = lsn;
/* insert mp after tblock in logsync list */
- LOGSYNC_LOCK(log, flags);
log->count++;
list_add(&mp->synclist, &tblk->synclist);
mp->clsn = tblk->clsn;
- LOGSYNC_UNLOCK(log, flags);
}
+ LOGSYNC_UNLOCK(log, flags);
write_metapage(mp);
return (0);
}
static int copy_from_dinode(struct dinode * dip, struct inode *ip)
{
struct jfs_inode_info *jfs_ip = JFS_IP(ip);
+ struct jfs_sb_info *sbi = JFS_SBI(ip->i_sb);
jfs_ip->fileset = le32_to_cpu(dip->di_fileset);
jfs_ip->mode2 = le32_to_cpu(dip->di_mode);
ip->i_mode = le32_to_cpu(dip->di_mode) & 0xffff;
+ if (sbi->umask != -1) {
+ ip->i_mode = (ip->i_mode & ~0777) | (0777 & ~sbi->umask);
+ /* For directories, add x permission if r is allowed by umask */
+ if (S_ISDIR(ip->i_mode)) {
+ if (ip->i_mode & 0400)
+ ip->i_mode |= 0100;
+ if (ip->i_mode & 0040)
+ ip->i_mode |= 0010;
+ if (ip->i_mode & 0004)
+ ip->i_mode |= 0001;
+ }
+ }
ip->i_nlink = le32_to_cpu(dip->di_nlink);
- ip->i_uid = le32_to_cpu(dip->di_uid);
- ip->i_gid = le32_to_cpu(dip->di_gid);
+
+ jfs_ip->saved_uid = le32_to_cpu(dip->di_uid);
+ if (sbi->uid == -1)
+ ip->i_uid = jfs_ip->saved_uid;
+ else {
+ ip->i_uid = sbi->uid;
+ }
+
+ jfs_ip->saved_gid = le32_to_cpu(dip->di_gid);
+ if (sbi->gid == -1)
+ ip->i_gid = jfs_ip->saved_gid;
+ else {
+ ip->i_gid = sbi->gid;
+ }
+
ip->i_size = le64_to_cpu(dip->di_size);
ip->i_atime.tv_sec = le32_to_cpu(dip->di_atime.tv_sec);
ip->i_atime.tv_nsec = le32_to_cpu(dip->di_atime.tv_nsec);
ip->i_mtime.tv_nsec = le32_to_cpu(dip->di_mtime.tv_nsec);
ip->i_ctime.tv_sec = le32_to_cpu(dip->di_ctime.tv_sec);
ip->i_ctime.tv_nsec = le32_to_cpu(dip->di_ctime.tv_nsec);
- ip->i_blksize = ip->i_sb->s_blocksize;
ip->i_blocks = LBLK2PBLK(ip->i_sb, le64_to_cpu(dip->di_nblocks));
ip->i_generation = le32_to_cpu(dip->di_gen);
static void copy_to_dinode(struct dinode * dip, struct inode *ip)
{
struct jfs_inode_info *jfs_ip = JFS_IP(ip);
+ struct jfs_sb_info *sbi = JFS_SBI(ip->i_sb);
dip->di_fileset = cpu_to_le32(jfs_ip->fileset);
- dip->di_inostamp = cpu_to_le32(JFS_SBI(ip->i_sb)->inostamp);
+ dip->di_inostamp = cpu_to_le32(sbi->inostamp);
dip->di_number = cpu_to_le32(ip->i_ino);
dip->di_gen = cpu_to_le32(ip->i_generation);
dip->di_size = cpu_to_le64(ip->i_size);
dip->di_nblocks = cpu_to_le64(PBLK2LBLK(ip->i_sb, ip->i_blocks));
dip->di_nlink = cpu_to_le32(ip->i_nlink);
- dip->di_uid = cpu_to_le32(ip->i_uid);
- dip->di_gid = cpu_to_le32(ip->i_gid);
+ if (sbi->uid == -1)
+ dip->di_uid = cpu_to_le32(ip->i_uid);
+ else
+ dip->di_uid = cpu_to_le32(jfs_ip->saved_uid);
+ if (sbi->gid == -1)
+ dip->di_gid = cpu_to_le32(ip->i_gid);
+ else
+ dip->di_gid = cpu_to_le32(jfs_ip->saved_gid);
/*
* mode2 is only needed for storing the higher order bits.
* Trust i_mode for the lower order ones
*/
- dip->di_mode = cpu_to_le32((jfs_ip->mode2 & 0xffff0000) | ip->i_mode);
+ if (sbi->umask == -1)
+ dip->di_mode = cpu_to_le32((jfs_ip->mode2 & 0xffff0000) |
+ ip->i_mode);
+ else /* Leave the original permissions alone */
+ dip->di_mode = cpu_to_le32(jfs_ip->mode2);
+
dip->di_atime.tv_sec = cpu_to_le32(ip->i_atime.tv_sec);
dip->di_atime.tv_nsec = cpu_to_le32(ip->i_atime.tv_nsec);
dip->di_ctime.tv_sec = cpu_to_le32(ip->i_ctime.tv_sec);
if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode))
dip->di_rdev = cpu_to_le32(jfs_ip->dev);
}
-
-#ifdef _JFS_DEBUG_IMAP
-/*
- * DBGdiInit()
- */
-static void *DBGdiInit(struct inomap * imap)
-{
- u32 *dimap;
- int size;
- size = 64 * 1024;
- if ((dimap = (u32 *) xmalloc(size, L2PSIZE, kernel_heap)) == NULL)
- assert(0);
- bzero((void *) dimap, size);
- imap->im_DBGdimap = dimap;
-}
-
-/*
- * DBGdiAlloc()
- */
-static void DBGdiAlloc(struct inomap * imap, ino_t ino)
-{
- u32 *dimap = imap->im_DBGdimap;
- int w, b;
- u32 m;
- w = ino >> 5;
- b = ino & 31;
- m = 0x80000000 >> b;
- assert(w < 64 * 256);
- if (dimap[w] & m) {
- printk("DEBUG diAlloc: duplicate alloc ino:0x%x\n", ino);
- }
- dimap[w] |= m;
-}
-
-/*
- * DBGdiFree()
- */
-static void DBGdiFree(struct inomap * imap, ino_t ino)
-{
- u32 *dimap = imap->im_DBGdimap;
- int w, b;
- u32 m;
- w = ino >> 5;
- b = ino & 31;
- m = 0x80000000 >> b;
- assert(w < 64 * 256);
- if ((dimap[w] & m) == 0) {
- printk("DEBUG diFree: duplicate free ino:0x%x\n", ino);
- }
- dimap[w] &= ~m;
-}
-
-static void dump_cp(struct inomap * ipimap, char *function, int line)
-{
- printk("\n* ********* *\nControl Page %s %d\n", function, line);
- printk("FreeIAG %d\tNextIAG %d\n", ipimap->im_freeiag,
- ipimap->im_nextiag);
- printk("NumInos %d\tNumFree %d\n",
- atomic_read(&ipimap->im_numinos),
- atomic_read(&ipimap->im_numfree));
- printk("AG InoFree %d\tAG ExtFree %d\n",
- ipimap->im_agctl[0].inofree, ipimap->im_agctl[0].extfree);
- printk("AG NumInos %d\tAG NumFree %d\n",
- ipimap->im_agctl[0].numinos, ipimap->im_agctl[0].numfree);
-}
-
-static void dump_iag(struct iag * iag, char *function, int line)
-{
- printk("\n* ********* *\nIAG %s %d\n", function, line);
- printk("IagNum %d\tIAG Free %d\n", le32_to_cpu(iag->iagnum),
- le32_to_cpu(iag->iagfree));
- printk("InoFreeFwd %d\tInoFreeBack %d\n",
- le32_to_cpu(iag->inofreefwd),
- le32_to_cpu(iag->inofreeback));
- printk("ExtFreeFwd %d\tExtFreeBack %d\n",
- le32_to_cpu(iag->extfreefwd),
- le32_to_cpu(iag->extfreeback));
- printk("NFreeInos %d\tNFreeExts %d\n", le32_to_cpu(iag->nfreeinos),
- le32_to_cpu(iag->nfreeexts));
-}
-#endif /* _JFS_DEBUG_IMAP */
projects / powerpc.git / blobdiff