From: Dave Chinner <dchinner@xxxxxxxxxx>
While there, add visibility of the new superblock fields in the "sb"
command.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
---
db/sb.c | 46 +++++++++++++++++++++++++++++++++++++++++-----
1 file changed, 41 insertions(+), 5 deletions(-)
diff --git a/db/sb.c b/db/sb.c
index 54ca7dd..d178f58 100644
--- a/db/sb.c
+++ b/db/sb.c
@@ -108,7 +108,19 @@ const field_t sb_flds[] = {
{ "logsectsize", FLDT_UINT16D, OI(OFF(logsectsize)), C1, 0, TYP_NONE },
{ "logsunit", FLDT_UINT32D, OI(OFF(logsunit)), C1, 0, TYP_NONE },
{ "features2", FLDT_UINT32X, OI(OFF(features2)), C1, 0, TYP_NONE },
- { "bad_features2", FLDT_UINT32X, OI(OFF(bad_features2)), C1, 0, TYP_NONE },
+ { "bad_features2", FLDT_UINT32X, OI(OFF(bad_features2)),
+ C1, 0, TYP_NONE },
+ { "features_compat", FLDT_UINT32X, OI(OFF(features_compat)),
+ C1, 0, TYP_NONE },
+ { "features_ro_compat", FLDT_UINT32X, OI(OFF(features_ro_compat)),
+ C1, 0, TYP_NONE },
+ { "features_incompat", FLDT_UINT32X, OI(OFF(features_incompat)),
+ C1, 0, TYP_NONE },
+ { "features_log_incompat", FLDT_UINT32X, OI(OFF(features_log_incompat)),
+ C1, 0, TYP_NONE },
+ { "crc", FLDT_UINT32X, OI(OFF(crc)), C1, 0, TYP_NONE },
+ { "pquotino", FLDT_INO, OI(OFF(pquotino)), C1, 0, TYP_INODE },
+ { "lsn", FLDT_UINT64X, OI(OFF(lsn)), C1, 0, TYP_NONE },
{ NULL }
};
@@ -597,6 +609,8 @@ version_string(
strcpy(s, "V3");
else if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4)
strcpy(s, "V4");
+ else if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5)
+ strcpy(s, "V5");
if (xfs_sb_version_hasattr(sbp))
strcat(s, ",ATTR");
@@ -628,9 +642,17 @@ version_string(
strcat(s, ",LAZYSBCOUNT");
if (xfs_sb_version_hasprojid32bit(sbp))
strcat(s, ",PROJID32BIT");
+ if (xfs_sb_version_hascrc(sbp))
+ strcat(s, ",CRC");
return s;
}
+/*
+ * XXX: this only supports reading and writing to version 4 superblock fields.
+ * V5 superblocks always define certain V4 feature bits - they are blocked from
+ * being changed if a V5 sb is detected, but otherwise v5 superblock features
+ * are not handled here.
+ */
static int
version_f(
int argc,
@@ -662,12 +684,16 @@ version_f(
break;
case XFS_SB_VERSION_4:
if (xfs_sb_version_hasextflgbit(&mp->m_sb))
- dbprintf(_("unwritten extents flag"
- " is already enabled\n"));
+ dbprintf(
+ _("unwritten extents flag is already enabled\n"));
else
version = mp->m_sb.sb_versionnum |
XFS_SB_VERSION_EXTFLGBIT;
break;
+ case XFS_SB_VERSION_5:
+ dbprintf(
+ _("unwritten extents always enabled for v5 superblocks.\n"));
+ break;
}
} else if (!strcasecmp(argv[1], "log2")) {
switch (XFS_SB_VERSION_NUM(&mp->m_sb)) {
@@ -682,14 +708,24 @@ version_f(
break;
case XFS_SB_VERSION_4:
if (xfs_sb_version_haslogv2(&mp->m_sb))
- dbprintf(_("version 2 log format"
- " is already in use\n"));
+ dbprintf(
+ _("version 2 log format is already in use\n"));
else
version = mp->m_sb.sb_versionnum |
XFS_SB_VERSION_LOGV2BIT;
break;
+ case XFS_SB_VERSION_5:
+ dbprintf(
+ _("Version 2 logs always enabled for v5 superblocks.\n"));
+ break;
}
+ } else if (XFS_SB_VERSION_NUM(&mp->m_sb) == XFS_SB_VERSION_5) {
+ dbprintf(
+ _("%s: Cannot change %s on v5 superblocks.\n"),
+ progname, argv[1]);
+ return 0;
} else if (!strcasecmp(argv[1], "attr1")) {
+
if (xfs_sb_version_hasattr2(&mp->m_sb)) {
if (!(mp->m_sb.sb_features2 &=
~XFS_SB_VERSION2_ATTR2BIT))
--
1.7.10.4
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