diff options
| author | David Chinner <dgc@sgi.com> | 2006-09-07 06:27:15 +0200 |
|---|---|---|
| committer | David Chatterton <chatz@sgi.com> | 2006-09-07 06:27:15 +0200 |
| commit | 0a8d17d090a4939643a52194b7d4a4001b9b2d93 (patch) | |
| tree | 6ebf7aeb35f528be9171c75fd4c0152894f13dda | |
| parent | [XFS] Fix ABBA deadlock between i_mutex and iolock. Avoid calling (diff) | |
| download | linux-0a8d17d090a4939643a52194b7d4a4001b9b2d93.tar.xz linux-0a8d17d090a4939643a52194b7d4a4001b9b2d93.zip | |
[XFS] Fix xfs_splice_write() so appended data gets to disk.
xfs_splice_write() failed to update the on disk inode size when extending
the so when the file was closed the range extended by splice was truncated
off. Hence any region of a file written to by splice would end up as a
hole full of zeros.
SGI-PV: 955939
SGI-Modid: xfs-linux-melb:xfs-kern:26920a
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: David Chatterton <chatz@sgi.com>
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_lrw.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c index 110c038910ff..ee788b1cb364 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.c +++ b/fs/xfs/linux-2.6/xfs_lrw.c @@ -391,6 +391,8 @@ xfs_splice_write( xfs_inode_t *ip = XFS_BHVTOI(bdp); xfs_mount_t *mp = ip->i_mount; ssize_t ret; + struct inode *inode = outfilp->f_mapping->host; + xfs_fsize_t isize; XFS_STATS_INC(xs_write_calls); if (XFS_FORCED_SHUTDOWN(ip->i_mount)) @@ -417,6 +419,20 @@ xfs_splice_write( if (ret > 0) XFS_STATS_ADD(xs_write_bytes, ret); + isize = i_size_read(inode); + if (unlikely(ret < 0 && ret != -EFAULT && *ppos > isize)) + *ppos = isize; + + if (*ppos > ip->i_d.di_size) { + xfs_ilock(ip, XFS_ILOCK_EXCL); + if (*ppos > ip->i_d.di_size) { + ip->i_d.di_size = *ppos; + i_size_write(inode, *ppos); + ip->i_update_core = 1; + ip->i_update_size = 1; + } + xfs_iunlock(ip, XFS_ILOCK_EXCL); + } xfs_iunlock(ip, XFS_IOLOCK_EXCL); return ret; } |