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[6/6] Gfs2: fail if we try to use hole punch

Message ID 1289248327-16308-6-git-send-email-josef@redhat.com
State Not Applicable, archived
Headers show

Commit Message

Josef Bacik Nov. 8, 2010, 8:32 p.m. UTC
None
diff mbox

Patch

diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index 12cbea7..93ecc9f 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -1439,6 +1439,10 @@  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;