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Btrfs: fix off-by-one in cow_file_range_inline()

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Btrfs could still inline file data if its size is same as
page size, so don't skip max value here.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Wang Shilong 2014-07-17 11:44:11 +08:00 committed by Chris Mason
parent 7816030eb4
commit 354877befa
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/inode.c
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@ -249,8 +249,8 @@ static noinline int cow_file_range_inline(struct btrfs_root *root,
data_len = compressed_size;
if (start > 0 ||
actual_end >= PAGE_CACHE_SIZE ||
data_len >= BTRFS_MAX_INLINE_DATA_SIZE(root) ||
actual_end > PAGE_CACHE_SIZE ||
data_len > BTRFS_MAX_INLINE_DATA_SIZE(root) ||
(!compressed_size &&
(actual_end & (root->sectorsize - 1)) == 0) ||
end + 1 < isize ||