[Libguestfs] [PATCH] xfs: add a new api xfs_repair
Wanlong Gao
gaowanlong at cn.fujitsu.com
Tue Aug 21 07:28:37 UTC 2012
Add a new api xfs_repair for repairing an XFS filesystem.
Signed-off-by: Wanlong Gao <gaowanlong at cn.fujitsu.com>
---
daemon/xfs.c | 116 +++++++++++++++++++++++++++++++++++++++++
generator/generator_actions.ml | 23 ++++++++
gobject/Makefile.inc | 6 ++-
po/POTFILES | 1 +
src/MAX_PROC_NR | 2 +-
5 files changed, 145 insertions(+), 3 deletions(-)
diff --git a/daemon/xfs.c b/daemon/xfs.c
index 12ed600..8a86f93 100644
--- a/daemon/xfs.c
+++ b/daemon/xfs.c
@@ -536,3 +536,119 @@ error:
free (err);
return -1;
}
+
+int
+do_xfs_repair (const char *device,
+ int imgfile, int forcelogzero, int dangerous,
+ int nomodify, int noprefetch, int forcegeometry,
+ int64_t maxmem, int64_t ihashsize,
+ int64_t bhashsize, int64_t agstride,
+ const char *logdev, const char *rtdev)
+{
+ int r;
+ char *err = NULL;
+ const char *argv[MAX_ARGS];
+ char maxmem_s[64];
+ char ihashsize_s[70];
+ char bhashsize_s[70];
+ char agstride_s[74];
+ size_t i = 0;
+
+ ADD_ARG (argv, i, "xfs_repair");
+
+ /* Optional arguments */
+ if (!(optargs_bitmask & GUESTFS_XFS_REPAIR_IMGFILE_BITMASK))
+ imgfile = 0;
+ if (!(optargs_bitmask & GUESTFS_XFS_REPAIR_FORCELOGZERO_BITMASK))
+ forcelogzero = 0;
+ if (!(optargs_bitmask & GUESTFS_XFS_REPAIR_DANGEROUS_BITMASK))
+ dangerous = 0;
+ if (!(optargs_bitmask & GUESTFS_XFS_REPAIR_NOMODIFY_BITMASK))
+ nomodify = 0;
+ if (!(optargs_bitmask & GUESTFS_XFS_REPAIR_NOPREFETCH_BITMASK))
+ noprefetch = 0;
+ if (!(optargs_bitmask & GUESTFS_XFS_REPAIR_FORCEGEOMETRY_BITMASK))
+ forcegeometry = 0;
+
+ if (imgfile)
+ ADD_ARG (argv, i, "-f");
+ if (forcelogzero)
+ ADD_ARG (argv, i, "-L");
+ if (dangerous)
+ ADD_ARG (argv, i, "-d");
+ if (nomodify)
+ ADD_ARG (argv, i, "-n");
+ if (noprefetch)
+ ADD_ARG (argv, i, "-P");
+ if (forcegeometry) {
+ ADD_ARG (argv, i, "-o");
+ ADD_ARG (argv, i, "force_geometry");
+ }
+
+ if (optargs_bitmask & GUESTFS_XFS_REPAIR_MAXMEM_BITMASK) {
+ if (maxmem < 0) {
+ reply_with_error ("maxmem must be >= 0");
+ goto error;
+ }
+ snprintf(maxmem_s, sizeof maxmem_s, "%" PRIi64, maxmem);
+ ADD_ARG (argv, i, "-m");
+ ADD_ARG (argv, i, maxmem_s);
+ }
+
+ if (optargs_bitmask & GUESTFS_XFS_REPAIR_IHASHSIZE_BITMASK) {
+ if (ihashsize < 0) {
+ reply_with_error ("ihashsize must be >= 0");
+ goto error;
+ }
+ snprintf(ihashsize_s, sizeof ihashsize_s, "ihash=" "%" PRIi64, ihashsize);
+ ADD_ARG (argv, i, "-o");
+ ADD_ARG (argv, i, ihashsize_s);
+ }
+
+ if (optargs_bitmask & GUESTFS_XFS_REPAIR_BHASHSIZE_BITMASK) {
+ if (bhashsize < 0) {
+ reply_with_error ("bhashsize must be >= 0");
+ goto error;
+ }
+ snprintf(bhashsize_s, sizeof bhashsize_s, "bhash=" "%" PRIi64, bhashsize);
+ ADD_ARG (argv, i, "-o");
+ ADD_ARG (argv, i, bhashsize_s);
+ }
+
+ if (optargs_bitmask & GUESTFS_XFS_REPAIR_AGSTRIDE_BITMASK) {
+ if (agstride < 0) {
+ reply_with_error ("agstride must be >= 0");
+ goto error;
+ }
+ snprintf(agstride_s, sizeof agstride_s, "ag_stride=" "%" PRIi64, agstride);
+ ADD_ARG (argv, i, "-o");
+ ADD_ARG (argv, i, agstride_s);
+ }
+
+
+ if (optargs_bitmask & GUESTFS_XFS_REPAIR_LOGDEV_BITMASK) {
+ ADD_ARG (argv, i, "-l");
+ ADD_ARG (argv, i, logdev);
+ }
+
+ if (optargs_bitmask & GUESTFS_XFS_REPAIR_RTDEV_BITMASK) {
+ ADD_ARG (argv, i, "-r");
+ ADD_ARG (argv, i, rtdev);
+ }
+
+ ADD_ARG (argv, i, device);
+ ADD_ARG (argv, i, NULL);
+
+ r = commandv (NULL, &err, argv);
+ if (r == -1) {
+ reply_with_error ("%s: %s", device, err);
+ goto error;
+ }
+
+ free (err);
+ return 0;
+
+error:
+ if (err) free (err);
+ return -1;
+}
diff --git a/generator/generator_actions.ml b/generator/generator_actions.ml
index 562f785..98a894c 100644
--- a/generator/generator_actions.ml
+++ b/generator/generator_actions.ml
@@ -9453,6 +9453,29 @@ Devices that are mounted cannot be modified. Administrators must unmount
filesystems before C<xfs_admin> can convert parameters. A number of parameters
of a mounted filesystem can be examined and modified using the C<xfs_growfs>." };
+ { defaults with
+ name = "xfs_repair";
+ style = RErr, [Device "device"], [OBool "imgfile"; OBool "forcelogzero"; OBool "dangerous"; OBool "nomodify"; OBool "noprefetch"; OBool "forcegeometry"; OInt64 "maxmem"; OInt64 "ihashsize"; OInt64 "bhashsize"; OInt64 "agstride"; OString "logdev"; OString "rtdev"];
+ proc_nr = Some 350;
+ optional = Some "xfs";
+ tests = [
+ InitEmpty, IfAvailable "xfs", TestRun (
+ [["part_disk"; "/dev/sda"; "mbr"];
+ ["mkfs"; "xfs"; "/dev/sda1"; ""; "NOARG"; ""; ""];
+ ["xfs_repair"; ""; ""; ""; "true"; ""; ""; ""; ""; ""; ""; ""; ""; "/dev/sda1"]
+ ])
+ ];
+ shortdesc = "repair an XFS filesystem";
+ longdesc = "\
+C<xfs_repair> repairs corrupt or damaged XFS filesystems. The filesystem is
+specified using the C<device> argument which should be the device name of the
+disk partition or volume containing the filesystem. If given the name of a
+block device, C<xfs_repair> will attempt to find the raw device associated
+with the specified block device and will use the raw device instead.
+
+Regardless, the filesystem to be repaired must be unmounted, otherwise,
+the resulting filesystem may be inconsistent or corrupt." };
+
]
(* Non-API meta-commands available only in guestfish.
diff --git a/gobject/Makefile.inc b/gobject/Makefile.inc
index 9f81cd2..4dfa0bf 100644
--- a/gobject/Makefile.inc
+++ b/gobject/Makefile.inc
@@ -73,7 +73,8 @@ guestfs_gobject_headers= \
include/guestfs-gobject/optargs-rsync.h \
include/guestfs-gobject/optargs-rsync_in.h \
include/guestfs-gobject/optargs-rsync_out.h \
- include/guestfs-gobject/optargs-xfs_admin.h
+ include/guestfs-gobject/optargs-xfs_admin.h \
+ include/guestfs-gobject/optargs-xfs_repair.h
guestfs_gobject_sources= \
src/session.c \
@@ -128,4 +129,5 @@ guestfs_gobject_sources= \
src/optargs-rsync.c \
src/optargs-rsync_in.c \
src/optargs-rsync_out.c \
- src/optargs-xfs_admin.c
+ src/optargs-xfs_admin.c \
+ src/optargs-xfs_repair.c
diff --git a/po/POTFILES b/po/POTFILES
index d961ac1..727438b 100644
--- a/po/POTFILES
+++ b/po/POTFILES
@@ -169,6 +169,7 @@ gobject/src/optargs-umount.c
gobject/src/optargs-umount_local.c
gobject/src/optargs-xfs_admin.c
gobject/src/optargs-xfs_growfs.c
+gobject/src/optargs-xfs_repair.c
gobject/src/session.c
gobject/src/struct-application.c
gobject/src/struct-btrfssubvolume.c
diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR
index aef2e27..0fecf65 100644
--- a/src/MAX_PROC_NR
+++ b/src/MAX_PROC_NR
@@ -1 +1 @@
-349
+350
--
1.7.12
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