[PATCH 3/3] btrfs: set FS_SUPPORTS_SEEK_HOLE flag.

[NeilBrown]

This allows fscache to cachefiles in a btrfs filesystem.

Signed-off-by: NeilBrown <neilb@xxxxxxx>
---
 fs/btrfs/super.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 05fef198ff94..d3c5d2b40f8e 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1904,7 +1904,8 @@ static struct file_system_type btrfs_fs_type = {
 	.name		= "btrfs",
 	.mount		= btrfs_mount,
 	.kill_sb	= btrfs_kill_super,
-	.fs_flags	= FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA,
+	.fs_flags	= FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA |
+			  FS_SUPPORTS_SEEK_HOLE,
 };
 MODULE_ALIAS_FS("btrfs");
 


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/