@@ -54,6 +54,7 @@ bool add_finobt; /* add free inode btrees */
bool add_reflink; /* add reference count btrees */
bool add_rmapbt; /* add reverse mapping btrees */
bool add_metadir; /* add metadata directory tree */
+bool add_nrext64;
/* misc status variables */
@@ -95,6 +95,7 @@ extern bool add_finobt; /* add free inode btrees */
extern bool add_reflink; /* add reference count btrees */
extern bool add_rmapbt; /* add reverse mapping btrees */
extern bool add_metadir; /* add metadata directory tree */
+extern bool add_nrext64;
/* misc status variables */
@@ -191,6 +191,7 @@ check_new_v5_geometry(
struct xfs_perag *pag;
xfs_agnumber_t agno;
xfs_ino_t rootino;
+ uint old_bm_maxlevels[2];
int min_logblocks;
int error;
@@ -201,6 +202,12 @@ check_new_v5_geometry(
memcpy(&old_sb, &mp->m_sb, sizeof(struct xfs_sb));
memcpy(&mp->m_sb, new_sb, sizeof(struct xfs_sb));
+ old_bm_maxlevels[0] = mp->m_bm_maxlevels[0];
+ old_bm_maxlevels[1] = mp->m_bm_maxlevels[1];
+
+ xfs_bmap_compute_maxlevels(mp, XFS_DATA_FORK);
+ xfs_bmap_compute_maxlevels(mp, XFS_ATTR_FORK);
+
/* Do we have a big enough log? */
min_logblocks = libxfs_log_calc_minimum_size(mp);
if (old_sb.sb_logblocks < min_logblocks) {
@@ -288,6 +295,9 @@ check_new_v5_geometry(
pag->pagi_init = 0;
}
+ mp->m_bm_maxlevels[0] = old_bm_maxlevels[0];
+ mp->m_bm_maxlevels[1] = old_bm_maxlevels[1];
+
/*
* Put back the old superblock.
*/
@@ -429,6 +439,28 @@ set_metadir(
return true;
}
+static bool
+set_nrext64(
+ struct xfs_mount *mp,
+ struct xfs_sb *new_sb)
+{
+ if (!xfs_has_crc(mp)) {
+ printf(
+ _("Nrext64 only supported on V5 filesystems.\n"));
+ exit(0);
+ }
+
+ if (xfs_has_nrext64(mp)) {
+ printf(_("Filesystem already supports nrext64.\n"));
+ exit(0);
+ }
+
+ printf(_("Adding nrext64 to filesystem.\n"));
+ new_sb->sb_features_incompat |= XFS_SB_FEAT_INCOMPAT_NREXT64;
+ new_sb->sb_features_incompat |= XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR;
+ return true;
+}
+
/* Perform the user's requested upgrades on filesystem. */
static void
upgrade_filesystem(
@@ -453,6 +485,8 @@ upgrade_filesystem(
dirty |= set_rmapbt(mp, &new_sb);
if (add_metadir)
dirty |= set_metadir(mp, &new_sb);
+ if (add_nrext64)
+ dirty |= set_nrext64(mp, &new_sb);
if (!dirty)
return;
@@ -71,6 +71,7 @@ enum c_opt_nums {
CONVERT_REFLINK,
CONVERT_RMAPBT,
CONVERT_METADIR,
+ CONVERT_NREXT64,
C_MAX_OPTS,
};
@@ -82,6 +83,7 @@ static char *c_opts[] = {
[CONVERT_REFLINK] = "reflink",
[CONVERT_RMAPBT] = "rmapbt",
[CONVERT_METADIR] = "metadir",
+ [CONVERT_NREXT64] = "nrext64",
[C_MAX_OPTS] = NULL,
};
@@ -368,6 +370,15 @@ process_args(int argc, char **argv)
_("-c metadir only supports upgrades\n"));
add_metadir = true;
break;
+ case CONVERT_NREXT64:
+ if (!val)
+ do_abort(
+ _("-c nrext64 requires a parameter\n"));
+ if (strtol(val, NULL, 0) != 1)
+ do_abort(
+ _("-c nrext64 only supports upgrades\n"));
+ add_nrext64 = true;
+ break;
default:
unknown('c', val);
break;
Signed-off-by: Chandan Babu R <chandan.babu@oracle.com> --- repair/globals.c | 1 + repair/globals.h | 1 + repair/phase2.c | 34 ++++++++++++++++++++++++++++++++++ repair/xfs_repair.c | 11 +++++++++++ 4 files changed, 47 insertions(+)