Hi,

I'm not sure that is a good idea, since it is possible that someone else might find a use for that flag. Can we not simply set the GFS2_DIF_SYSTEM flag on any inode that is created via the metafs? That would resolve the issue without having to have a new interface I think,

Steve.

On 23/10/15 23:21, Abhi Das wrote:
Repurpose the existing VFS FS_RESERVED_FL flag to set GFS2_DIF_SYSTEM
using the FS_IOC_SETFLAGS ioctl.

Resolves: rhbz#1272086
Signed-off-by: Abhi Das <[email protected]>
---
  fs/gfs2/file.c | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 71cd138..ead0d0a 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -137,6 +137,7 @@ static const u32 fsflags_to_gfs2[32] = {
        [12] = GFS2_DIF_EXHASH,
        [14] = GFS2_DIF_INHERIT_JDATA,
        [17] = GFS2_DIF_TOPDIR,
+       [31] = GFS2_DIF_SYSTEM,
  };
static const u32 gfs2_to_fsflags[32] = {
@@ -147,6 +148,7 @@ static const u32 gfs2_to_fsflags[32] = {
        [gfs2fl_ExHash] = FS_INDEX_FL,
        [gfs2fl_TopLevel] = FS_TOPDIR_FL,
        [gfs2fl_InheritJdata] = FS_JOURNAL_DATA_FL,
+       [gfs2fl_System] = FS_RESERVED_FL,
  };
static int gfs2_get_flags(struct file *filp, u32 __user *ptr)

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