diff options
| author | Josef Bacik <josef@redhat.com> | 2010-11-17 20:46:17 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-01-12 20:16:43 -0500 |
| commit | db47fef2cd9aab76ab976e8b45a06a1b3ad0e3e4 (patch) | |
| tree | 6a1527c3a7ae8992714e0fcddd0da35b1e040eb5 | |
| parent | c25d246715b87ad37e69e7abd1a0fed781423fa2 (diff) | |
Ocfs2: handle hole punching via fallocate properly
This patch just makes ocfs2 use its UNRESERVP ioctl when we get the hole punch
flag in fallocate. I didn't test it, but it seems simple enough. Thanks,
Acked-by: Jan Kara <jack@suse.cz>
Acked-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/ocfs2/file.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index bdadbae09094..63e3fca266e0 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1995,6 +1995,7 @@ static long ocfs2_fallocate(struct inode *inode, int mode, loff_t offset, struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_space_resv sr; int change_size = 1; + int cmd = OCFS2_IOC_RESVSP64; if (!ocfs2_writes_unwritten_extents(osb)) return -EOPNOTSUPP; @@ -2005,12 +2006,15 @@ static long ocfs2_fallocate(struct inode *inode, int mode, loff_t offset, if (mode & FALLOC_FL_KEEP_SIZE) change_size = 0; + if (mode & FALLOC_FL_PUNCH_HOLE) + cmd = OCFS2_IOC_UNRESVSP64; + sr.l_whence = 0; sr.l_start = (s64)offset; sr.l_len = (s64)len; - return __ocfs2_change_file_space(NULL, inode, offset, - OCFS2_IOC_RESVSP64, &sr, change_size); + return __ocfs2_change_file_space(NULL, inode, offset, cmd, &sr, + change_size); } int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos, |