Actually, there is no reason about why a user must umount and mount a XFS
filesystem to enable 'inode64' option. So, this patch makes this a remountable
option.
Signed-off-by: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
---
fs/xfs/xfs_super.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index bdaf4cb..4dad567 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -120,12 +120,13 @@ mempool_t *xfs_ioend_pool;
* in the future, too.
*/
enum {
- Opt_barrier, Opt_nobarrier, Opt_err
+ Opt_barrier, Opt_nobarrier, Opt_inode64, Opt_err
};
static const match_table_t tokens = {
{Opt_barrier, "barrier"},
{Opt_nobarrier, "nobarrier"},
+ {Opt_inode64, "inode64"},
{Opt_err, NULL}
};
@@ -1038,11 +1039,15 @@ xfs_fs_remount(
{
struct xfs_mount *mp = XFS_M(sb);
substring_t args[MAX_OPT_ARGS];
+ xfs_sb_t *sbp = &(mp->m_sb);
+ xfs_perag_t *pag;
char *p;
int error;
while ((p = strsep(&options, ",")) != NULL) {
int token;
+ int agcount = sbp->sb_agcount;
+ int index = 0;
if (!*p)
continue;
@@ -1055,6 +1060,17 @@ xfs_fs_remount(
case Opt_nobarrier:
mp->m_flags &= ~XFS_MOUNT_BARRIER;
break;
+ case Opt_inode64:
+
+ for (index = 0; index < agcount; index++) {
+ pag = xfs_perag_get(mp, index);
+ pag->pagi_inodeok = 1;
+ xfs_perag_put(pag);
+ }
+ mp->m_flags &= ~XFS_MOUNT_32BITINODES;
+ mp->m_flags &= ~XFS_MOUNT_SMALL_INUMS;
+ mp->m_maxagi = index;
+ break;
default:
/*
* Logically we would return an error here to prevent
--
1.7.11.2
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