[JFFS2] Remove flash offset argument from various functions.

We don't need the upper layers to deal with the physical offset. It's
_always_ c->nextblock->offset + c->sector_size - c->nextblock->free_size
so we might as well just let the actual write functions deal with that.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

1 files changed, 35 insertions, 27 deletions

diff --git a/fs/jffs2/write.c b/fs/jffs2/write.c
index 319a70f531f8..0e12b7561b71 100644
--- a/fs/jffs2/write.c
+++ b/fs/jffs2/write.c
@@ -56,12 +56,15 @@ 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;
@@ -77,8 +80,6 @@ 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);
         }
@@ -102,7 +103,9 @@ struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2
  retry:
         fn->raw = raw;
 
-        raw->flash_offset = flash_ofs;
+        raw->flash_offset = flash_ofs = write_ofs(c);
+
+        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);
@@ -147,19 +150,20 @@ 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);
@@ -200,12 +204,15 @@ 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 = write_ofs(c);
         int retried = 0;
         int ret;
 
@@ -286,19 +293,20 @@ 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);
@@ -339,14 +347,14 @@ 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 +382,7 @@ 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 +436,13 @@ 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 +453,7 @@ 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 +472,7 @@ 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 +504,7 @@ 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 +533,7 @@ 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 +544,7 @@ 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 +568,7 @@ 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 +647,14 @@ 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 +680,7 @@ 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);