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| author | Li Zefan <lizf@cn.fujitsu.com> | 2011-07-20 03:46:35 +0000 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2011-08-01 14:30:42 -0400 |
| commit | b6973aa62253f3791ef6fa5e9f9de099645fc2bd (patch) | |
| tree | eb4fe689723dc89e803a139d0d873dc4c9cd205d /fs/btrfs/inode.c | |
| parent | b532402e4d147e4f409c4e7f50d4413e8450101d (diff) | |
| download | linux-3.10-b6973aa62253f3791ef6fa5e9f9de099645fc2bd.tar.gz linux-3.10-b6973aa62253f3791ef6fa5e9f9de099645fc2bd.tar.bz2 linux-3.10-b6973aa62253f3791ef6fa5e9f9de099645fc2bd.zip | |
Btrfs: fix readahead in file defrag
We passed the wrong value to btrfs_force_ra(). Fix this by changing
the argument of btrfs_force_ra() from last_index to nr_page.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 5da43aea205..69e448eddf0 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6697,19 +6697,6 @@ int btrfs_create_subvol_root(struct btrfs_trans_handle *trans, return 0; } -/* helper function for file defrag and space balancing. This - * forces readahead on a given range of bytes in an inode - */ -unsigned long btrfs_force_ra(struct address_space *mapping, - struct file_ra_state *ra, struct file *file, - pgoff_t offset, pgoff_t last_index) -{ - pgoff_t req_size = last_index - offset + 1; - - page_cache_sync_readahead(mapping, ra, file, offset, req_size); - return offset + req_size; -} - struct inode *btrfs_alloc_inode(struct super_block *sb) { struct btrfs_inode *ei; |