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authorJosef Bacik <josef@redhat.com>2010-11-17 20:46:17 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2011-01-12 20:16:43 -0500
commitdb47fef2cd9aab76ab976e8b45a06a1b3ad0e3e4 (patch)
tree6a1527c3a7ae8992714e0fcddd0da35b1e040eb5 /fs/ocfs2
parentc25d246715b87ad37e69e7abd1a0fed781423fa2 (diff)
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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>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/file.c8
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,