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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-05-07 18:52:57 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-05-07 20:44:57 +0300 |
| commit | 0080c5076409d211fbe28d6f07966f7d39e58bad (patch) | |
| tree | 580bffd1c8dfb3de63e4f446bfb3db2d43c4f779 | |
| parent | 79344efb93a26378a91193bed133cee42162cd81 (diff) | |
| download | linux-0080c5076409d211fbe28d6f07966f7d39e58bad.tar.xz | |
f2fs: do not preallocate block unaligned to 4KB
Previously f2fs_preallocate_blocks() tries to allocate unaligned blocks.
In f2fs_write_begin(), however, prepare_write_begin() does not skip its
allocation due to (len != 4KB).
So, it needs locking node page twice unexpectedly.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/data.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 96b035319889..369d953bd770 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -582,8 +582,8 @@ ssize_t f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from) struct f2fs_map_blocks map; ssize_t ret = 0; - map.m_lblk = F2FS_BYTES_TO_BLK(iocb->ki_pos); - map.m_len = F2FS_BLK_ALIGN(iov_iter_count(from)); + map.m_lblk = F2FS_BLK_ALIGN(iocb->ki_pos); + map.m_len = F2FS_BYTES_TO_BLK(iov_iter_count(from)); map.m_next_pgofs = NULL; if (f2fs_encrypted_inode(inode)) |