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Commit 9ecf639a authored by Josef Bacik's avatar Josef Bacik Committed by Al Viro
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Gfs2: fail if we try to use hole punch 



Gfs2 doesn't have the ability to punch holes yet, so make sure we return
EOPNOTSUPP if we try to use hole punching through fallocate.  This support can
be added later.  Thanks,

Signed-off-by: default avatarJosef Bacik <josef@redhat.com>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 23a8519b

fs/gfs2/ops_inode.c

+4 −0
Original line number Diff line number Diff line
@@ -1425,6 +1425,10 @@ static long gfs2_fallocate(struct inode *inode, int mode, loff_t offset, 
	loff_t next = (offset + len - 1) >> sdp->sd_sb.sb_bsize_shift;

	next = (next + 1) << sdp->sd_sb.sb_bsize_shift;



	/* We only support the FALLOC_FL_KEEP_SIZE mode */

	if (mode && (mode != FALLOC_FL_KEEP_SIZE))

		return -EOPNOTSUPP;



	offset = (offset >> sdp->sd_sb.sb_bsize_shift) <<

		 sdp->sd_sb.sb_bsize_shift;