xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Btrfs: move O_DIRECT space reservation to btrfs_direct_IO

Browse Source 
This moves the delalloc space reservation done for O_DIRECT
into btrfs_direct_IO.  This way we don't leak reserved space
if the generic O_DIRECT write code errors out before it
calls into btrfs_direct_IO.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2010-05-26 10:59:53 -04:00
parent 4845e44ffd
commit 3f7c579c41
2 changed files with 8 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
fs/btrfs/file.c
View File

@@ -888,14 +888,9 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
BTRFS_I(inode)->sequence++;
if (unlikely(file->f_flags & O_DIRECT)) {
ret = btrfs_delalloc_reserve_space(inode, count);
if (ret)
goto out;
num_written = generic_file_direct_write(iocb, iov, &nr_segs,
pos, ppos, count,
ocount);
/*
* the generic O_DIRECT will update in-memory i_size after the
* DIOs are done. But our endio handlers that update the on