diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
-index 61aeacb..6557100 100644
+index 61aeacb..026c89f 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
-@@ -90,6 +90,7 @@ unsigned ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh,
- ext4_group_t ngroups = ext4_get_groups_count(sb);
- unsigned free_blocks, group_blocks;
- struct ext4_sb_info *sbi = EXT4_SB(sb);
-+ struct ext4_group_info *grp;
-
- if (bh) {
- J_ASSERT_BH(bh, buffer_locked(bh));
-@@ -97,12 +98,11 @@ unsigned ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh,
+@@ -97,12 +97,11 @@ unsigned ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh,
/* If checksum is bad mark all blocks used to prevent allocation
* essentially implementing a per-group read-only flag. */
if (!ext4_group_desc_csum_verify(sbi, block_group, gdp)) {
- ext4_error(sb, "Checksum bad for group %u",
-+ ext4_warning(sb, "Checksum bad for group %u",
++ ext4_corrupted_block_group(sb, block_group,
++ EXT4_GROUP_INFO_BBITMAP_CORRUPT |
++ EXT4_GROUP_INFO_IBITMAP_CORRUPT,
++ "Checksum bad for group %u",
block_group);
- ext4_free_blks_set(sb, gdp, 0);
- ext4_free_inodes_set(sb, gdp, 0);
- ext4_itable_unused_set(sb, gdp, 0);
- memset(bh->b_data, 0xff, sb->s_blocksize);
-+ grp = ext4_get_group_info(sb, block_group);
-+ set_bit(EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT, &grp->bb_state);
-+ set_bit(EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT, &grp->bb_state);
return 0;
}
memset(bh->b_data, 0, sb->s_blocksize);
-@@ -240,6 +240,7 @@ static int ext4_valid_block_bitmap(struct super_block *sb,
- ext4_grpblk_t next_zero_bit;
- ext4_fsblk_t bitmap_blk;
- ext4_fsblk_t group_first_block;
-+ struct ext4_group_info *grp = ext4_get_group_info(sb, block_group);
-
- if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_FLEX_BG)) {
- /* with FLEX_BG, the inode/block bitmaps and itable
-@@ -277,8 +278,9 @@ static int ext4_valid_block_bitmap(struct super_block *sb,
+@@ -277,7 +276,9 @@ static int ext4_valid_block_bitmap(struct super_block *sb,
return 1;
err_out:
- ext4_error(sb, "Invalid block bitmap - block_group = %d, block = %llu",
-+ ext4_warning(sb, "Invalid block bitmap - block_group = %d, block = %llu",
++ ext4_corrupted_block_group(sb, block_group,
++ EXT4_GROUP_INFO_BBITMAP_CORRUPT,
++ "Invalid block bitmap - block_group = %d, block = %llu",
block_group, bitmap_blk);
-+ set_bit(EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT, &grp->bb_state);
return 0;
}
- /**
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
-index f71111c..86953d0 100644
+index 4ed330c..938487a 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
-@@ -2209,9 +2209,15 @@ struct ext4_group_info {
+@@ -75,8 +75,17 @@ typedef __u32 ext4_lblk_t;
+ /* data type for block group number */
+ typedef unsigned int ext4_group_t;
+
++void __ext4_corrupted_block_group(struct super_block *sb,
++ ext4_group_t group, unsigned int flags);
++
++#define ext4_corrupted_block_group(sb, group, flags, fmt...) \
++ do { \
++ __ext4_warning(sb, __func__, ## fmt); \
++ __ext4_corrupted_block_group(sb, group, flags); \
++ } while (0)
++
+ /*
+- * Flags used in mballoc's allocation_context flags field.
++ * Flags used in mballoc's allocation_context flags field.
+ *
+ * Also used to show what's going on for debugging purposes when the
+ * flag field is exported via the traceport interface
+@@ -2203,9 +2212,19 @@ struct ext4_group_info {
#define EXT4_GROUP_INFO_NEED_INIT_BIT 0
#define EXT4_GROUP_INFO_WAS_TRIMMED_BIT 1
+#define EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT 2
++#define EXT4_GROUP_INFO_BBITMAP_CORRUPT \
++ (1 << EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT)
+#define EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT 3
++#define EXT4_GROUP_INFO_IBITMAP_CORRUPT \
++ (1 << EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT)
#define EXT4_MB_GRP_NEED_INIT(grp) \
(test_bit(EXT4_GROUP_INFO_NEED_INIT_BIT, &((grp)->bb_state)))
#define EXT4_MB_GRP_WAS_TRIMMED(grp) \
(test_bit(EXT4_GROUP_INFO_WAS_TRIMMED_BIT, &((grp)->bb_state)))
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
-index f3509ba..9e92917 100644
+index f3509ba..8894963 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
-@@ -70,17 +70,17 @@ unsigned ext4_init_inode_bitmap(struct super_block *sb, struct buffer_head *bh,
- struct ext4_group_desc *gdp)
- {
- struct ext4_sb_info *sbi = EXT4_SB(sb);
-+ struct ext4_group_info *grp;
-
- J_ASSERT_BH(bh, buffer_locked(bh));
-
+@@ -76,11 +76,10 @@ unsigned ext4_init_inode_bitmap(struct super_block *sb, struct buffer_head *bh,
/* If checksum is bad mark all blocks and inodes use to prevent
* allocation, essentially implementing a per-group read-only flag. */
if (!ext4_group_desc_csum_verify(sbi, block_group, gdp)) {
- ext4_free_inodes_set(sb, gdp, 0);
- ext4_itable_unused_set(sb, gdp, 0);
- memset(bh->b_data, 0xff, sb->s_blocksize);
-+ ext4_warning(sb, "Checksum bad for group %u", block_group);
-+ grp = ext4_get_group_info(sb, block_group);
-+ set_bit(EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT, &grp->bb_state);
-+ set_bit(EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT, &grp->bb_state);
++ ext4_corrupted_block_group(sb, block_group,
++ EXT4_GROUP_INFO_BBITMAP_CORRUPT |
++ EXT4_GROUP_INFO_IBITMAP_CORRUPT,
++ "Checksum bad for group %u", block_group);
return 0;
}
-@@ -192,6 +192,7 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
+@@ -192,6 +191,7 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
struct ext4_super_block *es;
struct ext4_sb_info *sbi;
int fatal = 0, err, count, cleared;
if (atomic_read(&inode->i_count) > 1) {
printk(KERN_ERR "ext4_free_inode: inode has count=%d\n",
-@@ -235,7 +236,9 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
+@@ -235,7 +235,9 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
block_group = (ino - 1) / EXT4_INODES_PER_GROUP(sb);
bit = (ino - 1) % EXT4_INODES_PER_GROUP(sb);
bitmap_bh = ext4_read_inode_bitmap(sb, block_group);
goto error_return;
BUFFER_TRACE(bitmap_bh, "get_write_access");
-@@ -247,9 +250,10 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
+@@ -247,9 +249,12 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
ext4_lock_group(sb, block_group);
cleared = ext4_clear_bit(bit, bitmap_bh->b_data);
ext4_unlock_group(sb, block_group);
- ext4_error(sb, "bit already cleared for inode %lu", ino);
- else {
+ if (!cleared) {
-+ ext4_warning(sb, "bit already cleared for inode %lu", ino);
-+ set_bit(EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT, &grp->bb_state);
++ ext4_corrupted_block_group(sb, block_group,
++ EXT4_GROUP_INFO_IBITMAP_CORRUPT,
++ "bit already cleared for inode %lu",
++ ino);
+ } else {
gdp = ext4_get_group_desc(sb, block_group, &bh2);
BUFFER_TRACE(bh2, "get_write_access");
-@@ -825,6 +829,7 @@ struct inode *ext4_new_inode(handle_t *handle, struct inode *dir, int mode,
+@@ -825,6 +830,7 @@ struct inode *ext4_new_inode(handle_t *handle, struct inode *dir, int mode,
int free = 0;
static int once = 1;
ext4_group_t flex_group;
/* Cannot create files in a deleted directory */
if (!dir || !dir->i_nlink)
-@@ -884,10 +889,21 @@ got_group:
+@@ -884,10 +890,21 @@ got_group:
if (!gdp)
goto fail;
repeat_in_this_group:
ino = ext4_find_next_zero_bit((unsigned long *)
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
-index efcf909..dc88197 100644
+index efcf909..06cd929 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
-@@ -1291,6 +1291,10 @@ static void mb_free_blocks(struct inode *inode, struct ext4_buddy *e4b,
+@@ -715,10 +715,12 @@ int ext4_mb_generate_buddy(struct super_block *sb,
+ if (free != grp->bb_free) {
+ struct ext4_group_desc *gdp;
+ gdp = ext4_get_group_desc (sb, group, NULL);
+- ext4_error(sb, "group %lu: %u blocks in bitmap, %u in bb, "
+- "%u in gd, %lu pa's\n", (long unsigned int)group,
+- free, grp->bb_free, ext4_free_blks_count(sb, gdp),
+- grp->bb_prealloc_nr);
++ ext4_corrupted_block_group(sb, group,
++ EXT4_GROUP_INFO_BBITMAP_CORRUPT,
++ "group %lu: %u blocks in bitmap, %u in bb, %u in gd, %lu pa's\n",
++ (long unsigned int)group, free, grp->bb_free,
++ ext4_free_blks_count(sb, gdp),
++ grp->bb_prealloc_nr);
+ return -EIO;
+ }
+ mb_set_largest_free_order(sb, grp);
+@@ -1120,7 +1122,7 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group,
+ */
+ ret = ext4_mb_init_group(sb, group);
+ if (ret)
+- return ret;
++ goto err;
+ }
+
+ /*
+@@ -1204,6 +1206,8 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group,
+ return 0;
+
+ err:
++ ext4_warning(sb, "Error in loading buddy information for %u",
++ group);
+ if (e4b->bd_bitmap_page)
+ page_cache_release(e4b->bd_bitmap_page);
+ if (e4b->bd_buddy_page)
+@@ -1291,6 +1295,10 @@ static void mb_free_blocks(struct inode *inode, struct ext4_buddy *e4b,
BUG_ON(first + count > (sb->s_blocksize << 3));
assert_spin_locked(ext4_group_lock_ptr(sb, e4b->bd_group));
mb_check_buddy(e4b);
mb_free_blocks_double(inode, e4b, first, count);
-@@ -1321,9 +1325,12 @@ static void mb_free_blocks(struct inode *inode, struct ext4_buddy *e4b,
+@@ -1321,9 +1329,12 @@ static void mb_free_blocks(struct inode *inode, struct ext4_buddy *e4b,
le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block);
ext4_grp_locked_error(sb, e4b->bd_group,
__func__, "double-free of inode"
}
mb_clear_bit(block, EXT4_MB_BITMAP(e4b));
e4b->bd_info->bb_counters[order]++;
-@@ -1700,6 +1707,11 @@ int ext4_mb_find_by_goal(struct ext4_allocation_context *ac,
+@@ -1700,6 +1711,11 @@ int ext4_mb_find_by_goal(struct ext4_allocation_context *ac,
if (err)
return err;
ext4_lock_group(ac->ac_sb, group);
max = mb_find_extent(e4b, 0, ac->ac_g_ex.fe_start,
ac->ac_g_ex.fe_len, &ex);
-@@ -1912,6 +1924,9 @@ static int ext4_mb_good_group(struct ext4_allocation_context *ac,
+@@ -1912,6 +1928,9 @@ static int ext4_mb_good_group(struct ext4_allocation_context *ac,
BUG_ON(cr < 0 || cr >= 4);
/* We only do this if the grp has never been initialized */
if (unlikely(EXT4_MB_GRP_NEED_INIT(grp))) {
int ret = ext4_mb_init_group(ac->ac_sb, group);
-@@ -4746,6 +4761,10 @@ do_more:
+@@ -3382,9 +3401,10 @@ int ext4_mb_check_ondisk_bitmap(struct super_block *sb, void *bitmap,
+ }
+
+ if (free != free_in_gdp) {
+- ext4_error(sb, "on-disk bitmap for group %d"
+- "corrupted: %u blocks free in bitmap, %u - in gd\n",
+- group, free, free_in_gdp);
++ ext4_corrupted_block_group(sb, group,
++ EXT4_GROUP_INFO_BBITMAP_CORRUPT,
++ "on-disk bitmap for group %d corrupted: %u blocks free in bitmap, %u - in gd\n",
++ group, free, free_in_gdp);
+ return -EIO;
+ }
+ return 0;
+@@ -3753,14 +3773,6 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
+ /* "free < pa->pa_free" means we maybe double alloc the same blocks,
+ * otherwise maybe leave some free blocks unavailable, no need to BUG.*/
+ if ((free > pa->pa_free && !pa->pa_error) || (free < pa->pa_free)) {
+- ext4_error(sb, "pa free mismatch: [pa %p] "
+- "[phy %lu] [logic %lu] [len %u] [free %u] "
+- "[error %u] [inode %lu] [freed %u]", pa,
+- (unsigned long)pa->pa_pstart,
+- (unsigned long)pa->pa_lstart,
+- (unsigned)pa->pa_len, (unsigned)pa->pa_free,
+- (unsigned)pa->pa_error, pa->pa_inode->i_ino,
+- free);
+ ext4_grp_locked_error(sb, group,
+ __func__, "free %u, pa_free %u",
+ free, pa->pa_free);
+@@ -3834,14 +3846,11 @@ ext4_mb_discard_group_preallocations(struct super_block *sb,
+ return 0;
+
+ bitmap_bh = ext4_read_block_bitmap(sb, group);
+- if (bitmap_bh == NULL) {
+- ext4_error(sb, "Error reading block bitmap for %u", group);
++ if (bitmap_bh == NULL)
+ return 0;
+- }
+
+ err = ext4_mb_load_buddy(sb, group, &e4b);
+ if (err) {
+- ext4_error(sb, "Error loading buddy information for %u", group);
+ put_bh(bitmap_bh);
+ return 0;
+ }
+@@ -4015,16 +4024,11 @@ repeat:
+ ext4_get_group_no_and_offset(sb, pa->pa_pstart, &group, NULL);
+
+ err = ext4_mb_load_buddy(sb, group, &e4b);
+- if (err) {
+- ext4_error(sb, "Error loading buddy information for %u",
+- group);
++ if (err)
+ return;
+- }
+
+ bitmap_bh = ext4_read_block_bitmap(sb, group);
+ if (bitmap_bh == NULL) {
+- ext4_error(sb, "Error reading block bitmap for %u",
+- group);
+ ext4_mb_release_desc(&e4b);
+ continue;
+ }
+@@ -4299,11 +4303,8 @@ ext4_mb_discard_lg_preallocations(struct super_block *sb,
+ list_for_each_entry_safe(pa, tmp, &discard_list, u.pa_tmp_list) {
+
+ ext4_get_group_no_and_offset(sb, pa->pa_pstart, &group, NULL);
+- if (ext4_mb_load_buddy(sb, group, &e4b)) {
+- ext4_error(sb, "Error loading buddy information for %u",
+- group);
++ if (ext4_mb_load_buddy(sb, group, &e4b))
+ continue;
+- }
+ ext4_lock_group(sb, group);
+ list_del(&pa->pa_group_list);
+ ext4_get_group_info(sb, group)->bb_prealloc_nr--;
+@@ -4565,7 +4566,7 @@ repeat:
+ * been updated or not when fail case. So can
+ * not revert pa_free back, just mark pa_error*/
+ pa->pa_error++;
+- ext4_error(sb,
++ ext4_corrupted_block_group(sb, 0, 0,
+ "Updating bitmap error: [err %d] "
+ "[pa %p] [phy %lu] [logic %lu] "
+ "[len %u] [free %u] [error %u] "
+@@ -4710,6 +4711,7 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode,
+ struct ext4_sb_info *sbi;
+ struct ext4_buddy e4b;
+ int err = 0;
++ int skip_error = 0;
+ int ret;
+
+ /*
+@@ -4746,6 +4748,10 @@ do_more:
overflow = 0;
ext4_get_group_no_and_offset(sb, block, &block_group, &bit);
/*
* Check to see if we are freeing blocks across a group
* boundary.
+@@ -4807,8 +4813,10 @@ do_more:
+ }
+
+ err = ext4_mb_load_buddy(sb, block_group, &e4b);
+- if (err)
++ if (err) {
++ skip_error = 1;
+ goto error_return;
++ }
+ if ((flags & EXT4_FREE_BLOCKS_METADATA) && ext4_handle_valid(handle)) {
+ struct ext4_free_data *new_entry;
+ /*
+@@ -4876,10 +4884,10 @@ error_return:
+ if (freed && !(flags & EXT4_FREE_BLOCKS_NO_QUOT_UPDATE))
+ vfs_dq_free_block(inode, freed);
+ brelse(bitmap_bh);
+- ext4_std_error(sb, err);
++ if (!skip_error)
++ ext4_std_error(sb, err);
+ if (ac)
+ kmem_cache_free(ext4_ac_cachep, ac);
+- return;
+ }
+
+ /**
+@@ -4970,7 +4978,7 @@ void ext4_add_groupblocks(handle_t *handle, struct super_block *sb,
+
+ err = ext4_mb_load_buddy(sb, block_group, &e4b);
+ if (err)
+- goto error_return;
++ goto error_brelse;
+
+ /*
+ * need to update group_info->bb_free and bitmap
+@@ -5006,9 +5014,9 @@ void ext4_add_groupblocks(handle_t *handle, struct super_block *sb,
+ sb->s_dirt = 1;
+
+ error_return:
+- brelse(bitmap_bh);
+ ext4_std_error(sb, err);
+- return;
++error_brelse:
++ brelse(bitmap_bh);
+ }
+
+ /**
+@@ -5078,11 +5086,8 @@ ext4_trim_all_free(struct super_block *sb, ext4_group_t group,
+ trace_ext4_trim_all_free(sb, group, start, max);
+
+ ret = ext4_mb_load_buddy(sb, group, &e4b);
+- if (ret) {
+- ext4_error(sb, "Error in loading buddy "
+- "information for %u", group);
++ if (ret)
+ return ret;
+- }
+ bitmap = e4b.bd_bitmap;
+
+ ext4_lock_group(sb, group);
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index 31ee33b..f02a632 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -562,6 +562,34 @@ void __ext4_warning(struct super_block *sb, const char *function,
+ va_end(args);
+ }
+
++void __ext4_corrupted_block_group(struct super_block *sb, ext4_group_t group,
++ unsigned int flags)
++{
++ struct ext4_sb_info *sbi = EXT4_SB(sb);
++ struct ext4_group_info *grp = ext4_get_group_info(sb, group);
++ struct ext4_group_desc *gdp = ext4_get_group_desc(sb, group, NULL);
++
++ if (flags & EXT4_GROUP_INFO_BBITMAP_CORRUPT &&
++ !EXT4_MB_GRP_BBITMAP_CORRUPT(grp)) {
++ ext4_free_blks_set(sb, gdp, 0);
++ set_bit(EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT,
++ &grp->bb_state);
++ }
++
++ if (flags & EXT4_GROUP_INFO_IBITMAP_CORRUPT &&
++ !EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) {
++ if (gdp) {
++ ext4_free_inodes_set(sb, gdp, 0);
++ ext4_itable_unused_set(sb, gdp, 0);
++ }
++ set_bit(EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT,
++ &grp->bb_state);
++ }
++ sbi->s_mount_state |= EXT4_ERROR_FS;
++ sbi->s_es->s_state |= cpu_to_le16(EXT4_ERROR_FS);
++ ext4_commit_super(sb, 1);
++}
++
+ void ext4_grp_locked_error(struct super_block *sb, ext4_group_t grp,
+ const char *function, const char *fmt, ...)
+ __releases(bitlock)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff