[Libguestfs] [PATCH] xfs: add a new api xfs_repair

Add a new api xfs_repair for repairing an XFS filesystem. Signed-off-by: Wanlong Gao <gaowanlong(a)cn.fujitsu.com&gt; --- 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