Merge branch 'master' into upstream

1 files changed, 56 insertions, 54 deletions

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 3559086eee5f..8bfd56ef18ca 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -45,7 +45,7 @@
 static int ext3_load_journal(struct super_block *, struct ext3_super_block *,
                              unsigned long journal_devnum);
 static int ext3_create_journal(struct super_block *, struct ext3_super_block *,
-                               int);
+                               unsigned int);
 static void ext3_commit_super (struct super_block * sb,
                                struct ext3_super_block * es,
                                int sync);
@@ -62,13 +62,13 @@ static void ext3_unlockfs(struct super_block *sb);
 static void ext3_write_super (struct super_block * sb);
 static void ext3_write_super_lockfs(struct super_block *sb);
 
-/* 
+/*
  * Wrappers for journal_start/end.
  *
  * The only special thing we need to do here is to make sure that all
  * journal_end calls result in the superblock being marked dirty, so
  * that sync() will call the filesystem's write_super callback if
- * appropriate. 
+ * appropriate.
  */
 handle_t *ext3_journal_start_sb(struct super_block *sb, int nblocks)
 {
@@ -90,11 +90,11 @@ handle_t *ext3_journal_start_sb(struct super_block *sb, int nblocks)
         return journal_start(journal, nblocks);
 }
 
-/* 
+/*
  * The only special thing we need to do here is to make sure that all
  * journal_stop calls result in the superblock being marked dirty, so
  * that sync() will call the filesystem's write_super callback if
- * appropriate. 
+ * appropriate.
  */
 int __ext3_journal_stop(const char *where, handle_t *handle)
 {
@@ -159,20 +159,21 @@ static void ext3_handle_error(struct super_block *sb)
         if (sb->s_flags & MS_RDONLY)
                 return;
 
-        if (test_opt (sb, ERRORS_RO)) {
-                printk (KERN_CRIT "Remounting filesystem read-only\n");
-                sb->s_flags |= MS_RDONLY;
-        } else {
+        if (!test_opt (sb, ERRORS_CONT)) {
                 journal_t *journal = EXT3_SB(sb)->s_journal;
 
                 EXT3_SB(sb)->s_mount_opt |= EXT3_MOUNT_ABORT;
                 if (journal)
                         journal_abort(journal, -EIO);
         }
+        if (test_opt (sb, ERRORS_RO)) {
+                printk (KERN_CRIT "Remounting filesystem read-only\n");
+                sb->s_flags |= MS_RDONLY;
+        }
+        ext3_commit_super(sb, es, 1);
         if (test_opt(sb, ERRORS_PANIC))
                 panic("EXT3-fs (device %s): panic forced after error\n",
                         sb->s_id);
-        ext3_commit_super(sb, es, 1);
 }
 
 void ext3_error (struct super_block * sb, const char * function,
@@ -369,16 +370,16 @@ static void dump_orphan_list(struct super_block *sb, struct ext3_sb_info *sbi)
 {
         struct list_head *l;
 
-        printk(KERN_ERR "sb orphan head is %d\n", 
+        printk(KERN_ERR "sb orphan head is %d\n",
                le32_to_cpu(sbi->s_es->s_last_orphan));
 
         printk(KERN_ERR "sb_info orphan list:\n");
         list_for_each(l, &sbi->s_orphan) {
                 struct inode *inode = orphan_list_entry(l);
                 printk(KERN_ERR "  "
-                       "inode %s:%ld at %p: mode %o, nlink %d, next %d\n",
+                       "inode %s:%lu at %p: mode %o, nlink %d, next %d\n",
                        inode->i_sb->s_id, inode->i_ino, inode,
-                       inode->i_mode, inode->i_nlink, 
+                       inode->i_mode, inode->i_nlink,
                        NEXT_ORPHAN(inode));
         }
 }
@@ -475,7 +476,7 @@ static void init_once(void * foo, kmem_cache_t * cachep, unsigned long flags)
                 inode_init_once(&ei->vfs_inode);
         }
 }
- 
+
 static int init_inodecache(void)
 {
         ext3_inode_cachep = kmem_cache_create("ext3_inode_cache",
@@ -490,8 +491,7 @@ static int init_inodecache(void)
 
 static void destroy_inodecache(void)
 {
-        if (kmem_cache_destroy(ext3_inode_cachep))
-                printk(KERN_INFO "ext3_inode_cache: not all structures were freed\n");
+        kmem_cache_destroy(ext3_inode_cachep);
 }
 
 static void ext3_clear_inode(struct inode *inode)
@@ -733,8 +733,8 @@ static match_table_t tokens = {
 
 static ext3_fsblk_t get_sb_block(void **data)
 {
-        ext3_fsblk_t    sb_block;
-        char            *options = (char *) *data;
+        ext3_fsblk_t    sb_block;
+        char            *options = (char *) *data;
 
         if (!options || strncmp(options, "sb=", 3) != 0)
                 return 1;       /* Default location */
@@ -753,7 +753,7 @@ static ext3_fsblk_t get_sb_block(void **data)
 }
 
 static int parse_options (char *options, struct super_block *sb,
-                          unsigned long *inum, unsigned long *journal_devnum,
+                          unsigned int *inum, unsigned long *journal_devnum,
                           ext3_fsblk_t *n_blocks_count, int is_remount)
 {
         struct ext3_sb_info *sbi = EXT3_SB(sb);
@@ -1174,7 +1174,8 @@ static int ext3_setup_super(struct super_block *sb, struct ext3_super_block *es,
 static int ext3_check_descriptors (struct super_block * sb)
 {
         struct ext3_sb_info *sbi = EXT3_SB(sb);
-        ext3_fsblk_t block = le32_to_cpu(sbi->s_es->s_first_data_block);
+        ext3_fsblk_t first_block = le32_to_cpu(sbi->s_es->s_first_data_block);
+        ext3_fsblk_t last_block;
         struct ext3_group_desc * gdp = NULL;
         int desc_block = 0;
         int i;
@@ -1183,12 +1184,17 @@ static int ext3_check_descriptors (struct super_block * sb)
 
         for (i = 0; i < sbi->s_groups_count; i++)
         {
+                if (i == sbi->s_groups_count - 1)
+                        last_block = le32_to_cpu(sbi->s_es->s_blocks_count) - 1;
+                else
+                        last_block = first_block +
+                                (EXT3_BLOCKS_PER_GROUP(sb) - 1);
+
                 if ((i % EXT3_DESC_PER_BLOCK(sb)) == 0)
                         gdp = (struct ext3_group_desc *)
                                         sbi->s_group_desc[desc_block++]->b_data;
-                if (le32_to_cpu(gdp->bg_block_bitmap) < block ||
-                    le32_to_cpu(gdp->bg_block_bitmap) >=
-                                block + EXT3_BLOCKS_PER_GROUP(sb))
+                if (le32_to_cpu(gdp->bg_block_bitmap) < first_block ||
+                    le32_to_cpu(gdp->bg_block_bitmap) > last_block)
                 {
                         ext3_error (sb, "ext3_check_descriptors",
                                     "Block bitmap for group %d"
@@ -1197,9 +1203,8 @@ static int ext3_check_descriptors (struct super_block * sb)
                                         le32_to_cpu(gdp->bg_block_bitmap));
                         return 0;
                 }
-                if (le32_to_cpu(gdp->bg_inode_bitmap) < block ||
-                    le32_to_cpu(gdp->bg_inode_bitmap) >=
-                                block + EXT3_BLOCKS_PER_GROUP(sb))
+                if (le32_to_cpu(gdp->bg_inode_bitmap) < first_block ||
+                    le32_to_cpu(gdp->bg_inode_bitmap) > last_block)
                 {
                         ext3_error (sb, "ext3_check_descriptors",
                                     "Inode bitmap for group %d"
@@ -1208,9 +1213,9 @@ static int ext3_check_descriptors (struct super_block * sb)
                                         le32_to_cpu(gdp->bg_inode_bitmap));
                         return 0;
                 }
-                if (le32_to_cpu(gdp->bg_inode_table) < block ||
-                    le32_to_cpu(gdp->bg_inode_table) + sbi->s_itb_per_group >=
-                    block + EXT3_BLOCKS_PER_GROUP(sb))
+                if (le32_to_cpu(gdp->bg_inode_table) < first_block ||
+                    le32_to_cpu(gdp->bg_inode_table) + sbi->s_itb_per_group >
+                    last_block)
                 {
                         ext3_error (sb, "ext3_check_descriptors",
                                     "Inode table for group %d"
@@ -1219,7 +1224,7 @@ static int ext3_check_descriptors (struct super_block * sb)
                                         le32_to_cpu(gdp->bg_inode_table));
                         return 0;
                 }
-                block += EXT3_BLOCKS_PER_GROUP(sb);
+                first_block += EXT3_BLOCKS_PER_GROUP(sb);
                 gdp++;
         }
 
@@ -1301,17 +1306,17 @@ static void ext3_orphan_cleanup (struct super_block * sb,
                 DQUOT_INIT(inode);
                 if (inode->i_nlink) {
                         printk(KERN_DEBUG
-                                "%s: truncating inode %ld to %Ld bytes\n",
+                                "%s: truncating inode %lu to %Ld bytes\n",
                                 __FUNCTION__, inode->i_ino, inode->i_size);
-                        jbd_debug(2, "truncating inode %ld to %Ld bytes\n",
+                        jbd_debug(2, "truncating inode %lu to %Ld bytes\n",
                                   inode->i_ino, inode->i_size);
                         ext3_truncate(inode);
                         nr_truncates++;
                 } else {
                         printk(KERN_DEBUG
-                                "%s: deleting unreferenced inode %ld\n",
+                                "%s: deleting unreferenced inode %lu\n",
                                 __FUNCTION__, inode->i_ino);
-                        jbd_debug(2, "deleting unreferenced inode %ld\n",
+                        jbd_debug(2, "deleting unreferenced inode %lu\n",
                                   inode->i_ino);
                         nr_orphans++;
                 }
@@ -1390,7 +1395,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
         ext3_fsblk_t sb_block = get_sb_block(&data);
         ext3_fsblk_t logic_sb_block;
         unsigned long offset = 0;
-        unsigned long journal_inum = 0;
+        unsigned int journal_inum = 0;
         unsigned long journal_devnum = 0;
         unsigned long def_mount_opts;
         struct inode *root;
@@ -1401,11 +1406,10 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
         int needs_recovery;
         __le32 features;
 
-        sbi = kmalloc(sizeof(*sbi), GFP_KERNEL);
+        sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
         if (!sbi)
                 return -ENOMEM;
         sb->s_fs_info = sbi;
-        memset(sbi, 0, sizeof(*sbi));
         sbi->s_mount_opt = 0;
         sbi->s_resuid = EXT3_DEF_RESUID;
         sbi->s_resgid = EXT3_DEF_RESGID;
@@ -1483,7 +1487,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
             (EXT3_HAS_COMPAT_FEATURE(sb, ~0U) ||
              EXT3_HAS_RO_COMPAT_FEATURE(sb, ~0U) ||
              EXT3_HAS_INCOMPAT_FEATURE(sb, ~0U)))
-                printk(KERN_WARNING 
+                printk(KERN_WARNING
                        "EXT3-fs warning: feature flags set on rev 0 fs, "
                        "running e2fsck is recommended\n");
         /*
@@ -1509,7 +1513,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 
         if (blocksize < EXT3_MIN_BLOCK_SIZE ||
             blocksize > EXT3_MAX_BLOCK_SIZE) {
-                printk(KERN_ERR 
+                printk(KERN_ERR
                        "EXT3-fs: Unsupported filesystem blocksize %d on %s.\n",
                        blocksize, sb->s_id);
                 goto failed_mount;
@@ -1533,14 +1537,14 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
                 offset = (sb_block * EXT3_MIN_BLOCK_SIZE) % blocksize;
                 bh = sb_bread(sb, logic_sb_block);
                 if (!bh) {
-                        printk(KERN_ERR 
+                        printk(KERN_ERR
                                "EXT3-fs: Can't read superblock on 2nd try.\n");
                         goto failed_mount;
                 }
                 es = (struct ext3_super_block *)(((char *)bh->b_data) + offset);
                 sbi->s_es = es;
                 if (es->s_magic != cpu_to_le16(EXT3_SUPER_MAGIC)) {
-                        printk (KERN_ERR 
+                        printk (KERN_ERR
                                 "EXT3-fs: Magic mismatch, very weird !\n");
                         goto failed_mount;
                 }
@@ -1622,10 +1626,9 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 
         if (EXT3_BLOCKS_PER_GROUP(sb) == 0)
                 goto cantfind_ext3;
-        sbi->s_groups_count = (le32_to_cpu(es->s_blocks_count) -
-                               le32_to_cpu(es->s_first_data_block) +
-                               EXT3_BLOCKS_PER_GROUP(sb) - 1) /
-                              EXT3_BLOCKS_PER_GROUP(sb);
+        sbi->s_groups_count = ((le32_to_cpu(es->s_blocks_count) -
+                               le32_to_cpu(es->s_first_data_block) - 1)
+                                       / EXT3_BLOCKS_PER_GROUP(sb)) + 1;
         db_count = (sbi->s_groups_count + EXT3_DESC_PER_BLOCK(sb) - 1) /
                    EXT3_DESC_PER_BLOCK(sb);
         sbi->s_group_desc = kmalloc(db_count * sizeof (struct buffer_head *),
@@ -1820,7 +1823,7 @@ out_fail:
 /*
  * Setup any per-fs journal parameters now.  We'll do this both on
  * initial mount, once the journal has been initialised but before we've
- * done any recovery; and again on any subsequent remount. 
+ * done any recovery; and again on any subsequent remount.
  */
 static void ext3_init_journal_params(struct super_block *sb, journal_t *journal)
 {
@@ -1840,7 +1843,8 @@ static void ext3_init_journal_params(struct super_block *sb, journal_t *journal)
         spin_unlock(&journal->j_state_lock);
 }
 
-static journal_t *ext3_get_journal(struct super_block *sb, int journal_inum)
+static journal_t *ext3_get_journal(struct super_block *sb,
+                                   unsigned int journal_inum)
 {
         struct inode *journal_inode;
         journal_t *journal;
@@ -1975,7 +1979,7 @@ static int ext3_load_journal(struct super_block *sb,
                              unsigned long journal_devnum)
 {
         journal_t *journal;
-        int journal_inum = le32_to_cpu(es->s_journal_inum);
+        unsigned int journal_inum = le32_to_cpu(es->s_journal_inum);
         dev_t journal_dev;
         int err = 0;
         int really_read_only;
@@ -2061,7 +2065,7 @@ static int ext3_load_journal(struct super_block *sb,
 
 static int ext3_create_journal(struct super_block * sb,
                                struct ext3_super_block * es,
-                               int journal_inum)
+                               unsigned int journal_inum)
 {
         journal_t *journal;
 
@@ -2074,7 +2078,7 @@ static int ext3_create_journal(struct super_block * sb,
         if (!(journal = ext3_get_journal(sb, journal_inum)))
                 return -EINVAL;
 
-        printk(KERN_INFO "EXT3-fs: creating new journal on inode %d\n",
+        printk(KERN_INFO "EXT3-fs: creating new journal on inode %u\n",
                journal_inum);
 
         if (journal_create(journal)) {
@@ -2342,10 +2346,8 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
                          */
                         ext3_clear_journal_err(sb, es);
                         sbi->s_mount_state = le16_to_cpu(es->s_state);
-                        if ((ret = ext3_group_extend(sb, es, n_blocks_count))) {
-                                err = ret;
+                        if ((err = ext3_group_extend(sb, es, n_blocks_count)))
                                 goto restore_opts;
-                        }
                         if (!ext3_setup_super (sb, es, 0))
                                 sb->s_flags &= ~MS_RDONLY;
                 }
@@ -2734,7 +2736,7 @@ static int __init init_ext3_fs(void)
 out:
         destroy_inodecache();
 out1:
-        exit_ext3_xattr();
+        exit_ext3_xattr();
         return err;
 }