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ext4: fix online resizing for ext3-compat file systems
Commit fb0a387dcd
restricts block allocations for indirect-mapped
files to block groups less than s_blockfile_groups. However, the
online resizing code wasn't setting s_blockfile_groups, so the newly
added block groups were not available for non-extent mapped files.
Reported-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@vger.kernel.org
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1 changed files with 2 additions and 0 deletions
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@ -1341,6 +1341,8 @@ static void ext4_update_super(struct super_block *sb,
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/* Update the global fs size fields */
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sbi->s_groups_count += flex_gd->count;
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sbi->s_blockfile_groups = min_t(ext4_group_t, sbi->s_groups_count,
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(EXT4_MAX_BLOCK_FILE_PHYS / EXT4_BLOCKS_PER_GROUP(sb)));
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/* Update the reserved block counts only once the new group is
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* active. */
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