Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 231256
b: refs/heads/master
c: 4c5cfd1
h: refs/heads/master
v: v3
  • Loading branch information
Dave Chinner authored and Dave Chinner committed Jan 10, 2011
1 parent 53b7752 commit 3737cdc
Show file tree
Hide file tree
Showing 2 changed files with 22 additions and 23 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: edafb6da9aa725e4de5fe758fe81644b6167f9a2
refs/heads/master: 4c5cfd1b4157fb75d43b44a147c2feba6422fc4f
43 changes: 21 additions & 22 deletions trunk/fs/xfs/linux-2.6/xfs_file.c
Original file line number Diff line number Diff line change
Expand Up @@ -345,6 +345,25 @@ xfs_aio_write_isize_update(
}
}

/*
* If this was a direct or synchronous I/O that failed (such as ENOSPC) then
* part of the I/O may have been written to disk before the error occured. In
* this case the on-disk file size may have been adjusted beyond the in-memory
* file size and now needs to be truncated back.
*/
STATIC void
xfs_aio_write_newsize_update(
struct xfs_inode *ip)
{
if (ip->i_new_size) {
xfs_ilock(ip, XFS_ILOCK_EXCL);
ip->i_new_size = 0;
if (ip->i_d.di_size > ip->i_size)
ip->i_d.di_size = ip->i_size;
xfs_iunlock(ip, XFS_ILOCK_EXCL);
}
}

STATIC ssize_t
xfs_file_splice_write(
struct pipe_inode_info *pipe,
Expand Down Expand Up @@ -381,14 +400,7 @@ xfs_file_splice_write(
ret = generic_file_splice_write(pipe, outfilp, ppos, count, flags);

xfs_aio_write_isize_update(inode, ppos, ret);

if (ip->i_new_size) {
xfs_ilock(ip, XFS_ILOCK_EXCL);
ip->i_new_size = 0;
if (ip->i_d.di_size > ip->i_size)
ip->i_d.di_size = ip->i_size;
xfs_iunlock(ip, XFS_ILOCK_EXCL);
}
xfs_aio_write_newsize_update(ip);
xfs_iunlock(ip, XFS_IOLOCK_EXCL);
return ret;
}
Expand Down Expand Up @@ -781,20 +793,7 @@ xfs_file_aio_write(
}

out_unlock_internal:
if (ip->i_new_size) {
xfs_ilock(ip, XFS_ILOCK_EXCL);
ip->i_new_size = 0;
/*
* If this was a direct or synchronous I/O that failed (such
* as ENOSPC) then part of the I/O may have been written to
* disk before the error occured. In this case the on-disk
* file size may have been adjusted beyond the in-memory file
* size and now needs to be truncated back.
*/
if (ip->i_d.di_size > ip->i_size)
ip->i_d.di_size = ip->i_size;
xfs_iunlock(ip, XFS_ILOCK_EXCL);
}
xfs_aio_write_newsize_update(ip);
xfs_iunlock(ip, iolock);
out_unlock_mutex:
if (need_i_mutex)
Expand Down

0 comments on commit 3737cdc

Please sign in to comment.