[SPARC64]: Fix typo in isa_dev_get_irq_using_imap().
[powerpc.git] / fs / jffs2 / write.c
index 319a70f..6717679 100644 (file)
@@ -56,12 +56,14 @@ int jffs2_do_new_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f, uint
 /* jffs2_write_dnode - given a raw_inode, allocate a full_dnode for it,
    write it to the flash, link it into the existing inode/fragment list */
 
-struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2_inode_info *f, struct jffs2_raw_inode *ri, const unsigned char *data, uint32_t datalen, uint32_t flash_ofs, int alloc_mode)
+struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
+                                          struct jffs2_raw_inode *ri, const unsigned char *data,
+                                          uint32_t datalen, int alloc_mode)
 
 {
-       struct jffs2_raw_node_ref *raw;
        struct jffs2_full_dnode *fn;
        size_t retlen;
+       uint32_t flash_ofs;
        struct kvec vecs[2];
        int ret;
        int retried = 0;
@@ -77,32 +79,21 @@ struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2
        vecs[1].iov_base = (unsigned char *)data;
        vecs[1].iov_len = datalen;
 
-       jffs2_dbg_prewrite_paranoia_check(c, flash_ofs, vecs[0].iov_len + vecs[1].iov_len);
-
        if (je32_to_cpu(ri->totlen) != sizeof(*ri) + datalen) {
                printk(KERN_WARNING "jffs2_write_dnode: ri->totlen (0x%08x) != sizeof(*ri) (0x%08zx) + datalen (0x%08x)\n", je32_to_cpu(ri->totlen), sizeof(*ri), datalen);
        }
-       raw = jffs2_alloc_raw_node_ref();
-       if (!raw)
-               return ERR_PTR(-ENOMEM);
 
        fn = jffs2_alloc_full_dnode();
-       if (!fn) {
-               jffs2_free_raw_node_ref(raw);
+       if (!fn)
                return ERR_PTR(-ENOMEM);
-       }
-
-       fn->ofs = je32_to_cpu(ri->offset);
-       fn->size = je32_to_cpu(ri->dsize);
-       fn->frags = 0;
 
        /* check number of valid vecs */
        if (!datalen || !data)
                cnt = 1;
  retry:
-       fn->raw = raw;
+       flash_ofs = write_ofs(c);
 
-       raw->flash_offset = flash_ofs;
+       jffs2_dbg_prewrite_paranoia_check(c, flash_ofs, vecs[0].iov_len + vecs[1].iov_len);
 
        if ((alloc_mode!=ALLOC_GC) && (je32_to_cpu(ri->version) < f->highest_version)) {
                BUG_ON(!retried);
@@ -127,14 +118,11 @@ struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2
                           seem corrupted, in which case the scan would skip over
                           any node we write before the original intended end of
                           this node */
-                       raw->flash_offset |= REF_OBSOLETE;
-                       jffs2_add_physical_node_ref(c, raw, PAD(sizeof(*ri)+datalen), NULL);
-                       jffs2_mark_node_obsolete(c, raw);
+                       jffs2_add_physical_node_ref(c, flash_ofs | REF_OBSOLETE, PAD(sizeof(*ri)+datalen), NULL);
                } else {
-                       printk(KERN_NOTICE "Not marking the space at 0x%08x as dirty because the flash driver returned retlen zero\n", raw->flash_offset);
-                       jffs2_free_raw_node_ref(raw);
+                       printk(KERN_NOTICE "Not marking the space at 0x%08x as dirty because the flash driver returned retlen zero\n", flash_ofs);
                }
-               if (!retried && alloc_mode != ALLOC_NORETRY && (raw = jffs2_alloc_raw_node_ref())) {
+               if (!retried && alloc_mode != ALLOC_NORETRY) {
                        /* Try to reallocate space and retry */
                        uint32_t dummy;
                        struct jffs2_eraseblock *jeb = &c->blocks[flash_ofs / c->sector_size];
@@ -147,19 +135,20 @@ struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2
                        jffs2_dbg_acct_paranoia_check(c, jeb);
 
                        if (alloc_mode == ALLOC_GC) {
-                               ret = jffs2_reserve_space_gc(c, sizeof(*ri) + datalen, &flash_ofs,
-                                                       &dummy, JFFS2_SUMMARY_INODE_SIZE);
+                               ret = jffs2_reserve_space_gc(c, sizeof(*ri) + datalen, &dummy,
+                                                            JFFS2_SUMMARY_INODE_SIZE);
                        } else {
                                /* Locking pain */
                                up(&f->sem);
                                jffs2_complete_reservation(c);
 
-                               ret = jffs2_reserve_space(c, sizeof(*ri) + datalen, &flash_ofs,
-                                                       &dummy, alloc_mode, JFFS2_SUMMARY_INODE_SIZE);
+                               ret = jffs2_reserve_space(c, sizeof(*ri) + datalen, &dummy,
+                                                         alloc_mode, JFFS2_SUMMARY_INODE_SIZE);
                                down(&f->sem);
                        }
 
                        if (!ret) {
+                               flash_ofs = write_ofs(c);
                                D1(printk(KERN_DEBUG "Allocated space at 0x%08x to retry failed write.\n", flash_ofs));
 
                                jffs2_dbg_acct_sanity_check(c,jeb);
@@ -168,7 +157,6 @@ struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2
                                goto retry;
                        }
                        D1(printk(KERN_DEBUG "Failed to allocate space to retry failed write: %d!\n", ret));
-                       jffs2_free_raw_node_ref(raw);
                }
                /* Release the full_dnode which is now useless, and return */
                jffs2_free_full_dnode(fn);
@@ -182,14 +170,17 @@ struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2
        if ((je32_to_cpu(ri->dsize) >= PAGE_CACHE_SIZE) ||
            ( ((je32_to_cpu(ri->offset)&(PAGE_CACHE_SIZE-1))==0) &&
              (je32_to_cpu(ri->dsize)+je32_to_cpu(ri->offset) ==  je32_to_cpu(ri->isize)))) {
-               raw->flash_offset |= REF_PRISTINE;
+               flash_ofs |= REF_PRISTINE;
        } else {
-               raw->flash_offset |= REF_NORMAL;
+               flash_ofs |= REF_NORMAL;
        }
-       jffs2_add_physical_node_ref(c, raw, PAD(sizeof(*ri)+datalen), f->inocache);
+       fn->raw = jffs2_add_physical_node_ref(c, flash_ofs, PAD(sizeof(*ri)+datalen), f->inocache);
+       fn->ofs = je32_to_cpu(ri->offset);
+       fn->size = je32_to_cpu(ri->dsize);
+       fn->frags = 0;
 
        D1(printk(KERN_DEBUG "jffs2_write_dnode wrote node at 0x%08x(%d) with dsize 0x%x, csize 0x%x, node_crc 0x%08x, data_crc 0x%08x, totlen 0x%08x\n",
-                 flash_ofs, ref_flags(raw), je32_to_cpu(ri->dsize),
+                 flash_ofs & ~3, flash_ofs & 3, je32_to_cpu(ri->dsize),
                  je32_to_cpu(ri->csize), je32_to_cpu(ri->node_crc),
                  je32_to_cpu(ri->data_crc), je32_to_cpu(ri->totlen)));
 
@@ -200,12 +191,14 @@ struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2
        return fn;
 }
 
-struct jffs2_full_dirent *jffs2_write_dirent(struct jffs2_sb_info *c, struct jffs2_inode_info *f, struct jffs2_raw_dirent *rd, const unsigned char *name, uint32_t namelen, uint32_t flash_ofs, int alloc_mode)
+struct jffs2_full_dirent *jffs2_write_dirent(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
+                                            struct jffs2_raw_dirent *rd, const unsigned char *name,
+                                            uint32_t namelen, int alloc_mode)
 {
-       struct jffs2_raw_node_ref *raw;
        struct jffs2_full_dirent *fd;
        size_t retlen;
        struct kvec vecs[2];
+       uint32_t flash_ofs;
        int retried = 0;
        int ret;
 
@@ -216,26 +209,16 @@ struct jffs2_full_dirent *jffs2_write_dirent(struct jffs2_sb_info *c, struct jff
        D1(if(je32_to_cpu(rd->hdr_crc) != crc32(0, rd, sizeof(struct jffs2_unknown_node)-4)) {
                printk(KERN_CRIT "Eep. CRC not correct in jffs2_write_dirent()\n");
                BUG();
-       }
-          );
+          });
 
        vecs[0].iov_base = rd;
        vecs[0].iov_len = sizeof(*rd);
        vecs[1].iov_base = (unsigned char *)name;
        vecs[1].iov_len = namelen;
 
-       jffs2_dbg_prewrite_paranoia_check(c, flash_ofs, vecs[0].iov_len + vecs[1].iov_len);
-
-       raw = jffs2_alloc_raw_node_ref();
-
-       if (!raw)
-               return ERR_PTR(-ENOMEM);
-
        fd = jffs2_alloc_full_dirent(namelen+1);
-       if (!fd) {
-               jffs2_free_raw_node_ref(raw);
+       if (!fd)
                return ERR_PTR(-ENOMEM);
-       }
 
        fd->version = je32_to_cpu(rd->version);
        fd->ino = je32_to_cpu(rd->ino);
@@ -245,9 +228,9 @@ struct jffs2_full_dirent *jffs2_write_dirent(struct jffs2_sb_info *c, struct jff
        fd->name[namelen]=0;
 
  retry:
-       fd->raw = raw;
+       flash_ofs = write_ofs(c);
 
-       raw->flash_offset = flash_ofs;
+       jffs2_dbg_prewrite_paranoia_check(c, flash_ofs, vecs[0].iov_len + vecs[1].iov_len);
 
        if ((alloc_mode!=ALLOC_GC) && (je32_to_cpu(rd->version) < f->highest_version)) {
                BUG_ON(!retried);
@@ -266,14 +249,11 @@ struct jffs2_full_dirent *jffs2_write_dirent(struct jffs2_sb_info *c, struct jff
                               sizeof(*rd)+namelen, flash_ofs, ret, retlen);
                /* Mark the space as dirtied */
                if (retlen) {
-                       raw->flash_offset |= REF_OBSOLETE;
-                       jffs2_add_physical_node_ref(c, raw, PAD(sizeof(*rd)+namelen), NULL);
-                       jffs2_mark_node_obsolete(c, raw);
+                       jffs2_add_physical_node_ref(c, flash_ofs | REF_OBSOLETE, PAD(sizeof(*rd)+namelen), NULL);
                } else {
-                       printk(KERN_NOTICE "Not marking the space at 0x%08x as dirty because the flash driver returned retlen zero\n", raw->flash_offset);
-                       jffs2_free_raw_node_ref(raw);
+                       printk(KERN_NOTICE "Not marking the space at 0x%08x as dirty because the flash driver returned retlen zero\n", flash_ofs);
                }
-               if (!retried && (raw = jffs2_alloc_raw_node_ref())) {
+               if (!retried) {
                        /* Try to reallocate space and retry */
                        uint32_t dummy;
                        struct jffs2_eraseblock *jeb = &c->blocks[flash_ofs / c->sector_size];
@@ -286,34 +266,33 @@ struct jffs2_full_dirent *jffs2_write_dirent(struct jffs2_sb_info *c, struct jff
                        jffs2_dbg_acct_paranoia_check(c, jeb);
 
                        if (alloc_mode == ALLOC_GC) {
-                               ret = jffs2_reserve_space_gc(c, sizeof(*rd) + namelen, &flash_ofs,
-                                                       &dummy, JFFS2_SUMMARY_DIRENT_SIZE(namelen));
+                               ret = jffs2_reserve_space_gc(c, sizeof(*rd) + namelen, &dummy,
+                                                            JFFS2_SUMMARY_DIRENT_SIZE(namelen));
                        } else {
                                /* Locking pain */
                                up(&f->sem);
                                jffs2_complete_reservation(c);
 
-                               ret = jffs2_reserve_space(c, sizeof(*rd) + namelen, &flash_ofs,
-                                                       &dummy, alloc_mode, JFFS2_SUMMARY_DIRENT_SIZE(namelen));
+                               ret = jffs2_reserve_space(c, sizeof(*rd) + namelen, &dummy,
+                                                         alloc_mode, JFFS2_SUMMARY_DIRENT_SIZE(namelen));
                                down(&f->sem);
                        }
 
                        if (!ret) {
+                               flash_ofs = write_ofs(c);
                                D1(printk(KERN_DEBUG "Allocated space at 0x%08x to retry failed write.\n", flash_ofs));
                                jffs2_dbg_acct_sanity_check(c,jeb);
                                jffs2_dbg_acct_paranoia_check(c, jeb);
                                goto retry;
                        }
                        D1(printk(KERN_DEBUG "Failed to allocate space to retry failed write: %d!\n", ret));
-                       jffs2_free_raw_node_ref(raw);
                }
                /* Release the full_dnode which is now useless, and return */
                jffs2_free_full_dirent(fd);
                return ERR_PTR(ret?ret:-EIO);
        }
        /* Mark the space used */
-       raw->flash_offset |= REF_PRISTINE;
-       jffs2_add_physical_node_ref(c, raw, PAD(sizeof(*rd)+namelen), f->inocache);
+       fd->raw = jffs2_add_physical_node_ref(c, flash_ofs | REF_PRISTINE, PAD(sizeof(*rd)+namelen), f->inocache);
 
        if (retried) {
                jffs2_dbg_acct_sanity_check(c,NULL);
@@ -339,14 +318,14 @@ int jffs2_write_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
                struct jffs2_full_dnode *fn;
                unsigned char *comprbuf = NULL;
                uint16_t comprtype = JFFS2_COMPR_NONE;
-               uint32_t phys_ofs, alloclen;
+               uint32_t alloclen;
                uint32_t datalen, cdatalen;
                int retried = 0;
 
        retry:
                D2(printk(KERN_DEBUG "jffs2_commit_write() loop: 0x%x to write to 0x%x\n", writelen, offset));
 
-               ret = jffs2_reserve_space(c, sizeof(*ri) + JFFS2_MIN_DATA_LEN, &phys_ofs,
+               ret = jffs2_reserve_space(c, sizeof(*ri) + JFFS2_MIN_DATA_LEN,
                                        &alloclen, ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE);
                if (ret) {
                        D1(printk(KERN_DEBUG "jffs2_reserve_space returned %d\n", ret));
@@ -374,7 +353,7 @@ int jffs2_write_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
                ri->node_crc = cpu_to_je32(crc32(0, ri, sizeof(*ri)-8));
                ri->data_crc = cpu_to_je32(crc32(0, comprbuf, cdatalen));
 
-               fn = jffs2_write_dnode(c, f, ri, comprbuf, cdatalen, phys_ofs, ALLOC_NORETRY);
+               fn = jffs2_write_dnode(c, f, ri, comprbuf, cdatalen, ALLOC_NORETRY);
 
                jffs2_free_comprbuf(comprbuf, buf);
 
@@ -428,13 +407,13 @@ int jffs2_do_create(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, str
        struct jffs2_raw_dirent *rd;
        struct jffs2_full_dnode *fn;
        struct jffs2_full_dirent *fd;
-       uint32_t alloclen, phys_ofs;
+       uint32_t alloclen;
        int ret;
 
        /* Try to reserve enough space for both node and dirent.
         * Just the node will do for now, though
         */
-       ret = jffs2_reserve_space(c, sizeof(*ri), &phys_ofs, &alloclen, ALLOC_NORMAL,
+       ret = jffs2_reserve_space(c, sizeof(*ri), &alloclen, ALLOC_NORMAL,
                                JFFS2_SUMMARY_INODE_SIZE);
        D1(printk(KERN_DEBUG "jffs2_do_create(): reserved 0x%x bytes\n", alloclen));
        if (ret) {
@@ -445,7 +424,7 @@ int jffs2_do_create(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, str
        ri->data_crc = cpu_to_je32(0);
        ri->node_crc = cpu_to_je32(crc32(0, ri, sizeof(*ri)-8));
 
-       fn = jffs2_write_dnode(c, f, ri, NULL, 0, phys_ofs, ALLOC_NORMAL);
+       fn = jffs2_write_dnode(c, f, ri, NULL, 0, ALLOC_NORMAL);
 
        D1(printk(KERN_DEBUG "jffs2_do_create created file with mode 0x%x\n",
                  jemode_to_cpu(ri->mode)));
@@ -464,7 +443,7 @@ int jffs2_do_create(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, str
 
        up(&f->sem);
        jffs2_complete_reservation(c);
-       ret = jffs2_reserve_space(c, sizeof(*rd)+namelen, &phys_ofs, &alloclen,
+       ret = jffs2_reserve_space(c, sizeof(*rd)+namelen, &alloclen,
                                ALLOC_NORMAL, JFFS2_SUMMARY_DIRENT_SIZE(namelen));
 
        if (ret) {
@@ -496,7 +475,7 @@ int jffs2_do_create(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, str
        rd->node_crc = cpu_to_je32(crc32(0, rd, sizeof(*rd)-8));
        rd->name_crc = cpu_to_je32(crc32(0, name, namelen));
 
-       fd = jffs2_write_dirent(c, dir_f, rd, name, namelen, phys_ofs, ALLOC_NORMAL);
+       fd = jffs2_write_dirent(c, dir_f, rd, name, namelen, ALLOC_NORMAL);
 
        jffs2_free_raw_dirent(rd);
 
@@ -525,7 +504,7 @@ int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f,
 {
        struct jffs2_raw_dirent *rd;
        struct jffs2_full_dirent *fd;
-       uint32_t alloclen, phys_ofs;
+       uint32_t alloclen;
        int ret;
 
        if (1 /* alternative branch needs testing */ ||
@@ -536,7 +515,7 @@ int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f,
                if (!rd)
                        return -ENOMEM;
 
-               ret = jffs2_reserve_space(c, sizeof(*rd)+namelen, &phys_ofs, &alloclen,
+               ret = jffs2_reserve_space(c, sizeof(*rd)+namelen, &alloclen,
                                        ALLOC_DELETION, JFFS2_SUMMARY_DIRENT_SIZE(namelen));
                if (ret) {
                        jffs2_free_raw_dirent(rd);
@@ -560,7 +539,7 @@ int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f,
                rd->node_crc = cpu_to_je32(crc32(0, rd, sizeof(*rd)-8));
                rd->name_crc = cpu_to_je32(crc32(0, name, namelen));
 
-               fd = jffs2_write_dirent(c, dir_f, rd, name, namelen, phys_ofs, ALLOC_DELETION);
+               fd = jffs2_write_dirent(c, dir_f, rd, name, namelen, ALLOC_DELETION);
 
                jffs2_free_raw_dirent(rd);
 
@@ -639,14 +618,14 @@ int jffs2_do_link (struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, uint
 {
        struct jffs2_raw_dirent *rd;
        struct jffs2_full_dirent *fd;
-       uint32_t alloclen, phys_ofs;
+       uint32_t alloclen;
        int ret;
 
        rd = jffs2_alloc_raw_dirent();
        if (!rd)
                return -ENOMEM;
 
-       ret = jffs2_reserve_space(c, sizeof(*rd)+namelen, &phys_ofs, &alloclen,
+       ret = jffs2_reserve_space(c, sizeof(*rd)+namelen, &alloclen,
                                ALLOC_NORMAL, JFFS2_SUMMARY_DIRENT_SIZE(namelen));
        if (ret) {
                jffs2_free_raw_dirent(rd);
@@ -672,7 +651,7 @@ int jffs2_do_link (struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, uint
        rd->node_crc = cpu_to_je32(crc32(0, rd, sizeof(*rd)-8));
        rd->name_crc = cpu_to_je32(crc32(0, name, namelen));
 
-       fd = jffs2_write_dirent(c, dir_f, rd, name, namelen, phys_ofs, ALLOC_NORMAL);
+       fd = jffs2_write_dirent(c, dir_f, rd, name, namelen, ALLOC_NORMAL);
 
        jffs2_free_raw_dirent(rd);