[Libguestfs] [PATCH V5] NEW API:xfs: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 | 124 +++++++++++++++++++++++++++++++++++++++++ generator/generator_actions.ml | 25 +++++++++ gobject/Makefile.inc | 6 +- guestfs-release-notes.txt | 5 ++ po/POTFILES | 1 + src/MAX_PROC_NR | 2 +- 6 files changed, 160 insertions(+), 3 deletions(-) diff --git a/daemon/xfs.c b/daemon/xfs.c index f3058d3..311ae71 100644 --- a/daemon/xfs.c +++ b/daemon/xfs.c @@ -528,3 +528,127 @@ error: free (err); return -1; } + +int +do_xfs_repair (const char *device, + int forcelogzero, 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 *buf = NULL; + char maxmem_s[64]; + char ihashsize_s[70]; + char bhashsize_s[70]; + char agstride_s[74]; + size_t i = 0; + int is_device; + + ADD_ARG (argv, i, "xfs_repair"); + + /* Optional arguments */ + if (optargs_bitmask & GUESTFS_XFS_REPAIR_FORCELOGZERO_BITMASK) { + if (forcelogzero) + ADD_ARG (argv, i, "-L"); + } + if (optargs_bitmask & GUESTFS_XFS_REPAIR_NOMODIFY_BITMASK) { + if (nomodify) + ADD_ARG (argv, i, "-n"); + } + if (optargs_bitmask & GUESTFS_XFS_REPAIR_NOPREFETCH_BITMASK) { + if (noprefetch) + ADD_ARG (argv, i, "-P"); + } + if (optargs_bitmask & GUESTFS_XFS_REPAIR_FORCEGEOMETRY_BITMASK) { + 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); + } + + is_device = STREQLEN (device, "/dev/", 5); + if (!is_device) { + buf = sysroot_path (device); + if (buf == NULL) { + reply_with_perror ("malloc"); + goto error; + } + ADD_ARG (argv, i, "-f"); + ADD_ARG (argv, i, buf); + } else { + ADD_ARG (argv, i, device); + } + + ADD_ARG (argv, i, NULL); + + r = commandrv (NULL, &err, argv); + if (buf) free (buf); + if (r == -1) { + reply_with_error ("%s: %s", device, err); + goto error; + } else if (r == 1) { + reply_with_error ("%s: filesystem corruption was detected, need repair", device); + } + + free (err); + return r; + +error: + if (err) free (err); + return -1; +} diff --git a/generator/generator_actions.ml b/generator/generator_actions.ml index 6290333..dc6db5d 100644 --- a/generator/generator_actions.ml +++ b/generator/generator_actions.ml @@ -9682,6 +9682,31 @@ C<key> is the name, C<t> is the type, and C<val> is the data. This is a wrapper around the L<hivex(3)> call of the same name." }; + { defaults with + name = "xfs_repair"; + style = RInt "status", [Dev_or_Path "device"], [OBool "forcelogzero"; OBool "nomodify"; OBool "noprefetch"; OBool "forcegeometry"; OInt64 "maxmem"; OInt64 "ihashsize"; OInt64 "bhashsize"; OInt64 "agstride"; OString "logdev"; OString "rtdev"]; + proc_nr = Some 366; + optional = Some "xfs"; + tests = [ + InitEmpty, IfAvailable "xfs", TestRun ( + [["part_disk"; "/dev/sda"; "mbr"]; + ["mkfs"; "xfs"; "/dev/sda1"; ""; "NOARG"; ""; ""]; + ["xfs_repair"; "/dev/sda1"; ""; "true"; ""; ""; ""; ""; ""; ""; "NOARG"; "NOARG"] + ]) + ]; + shortdesc = "repair an XFS filesystem"; + longdesc = "\ +Repair corrupt or damaged XFS filesystem on C<device>. + +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 26d1c3c..ba41b48 100644 --- a/gobject/Makefile.inc +++ b/gobject/Makefile.inc @@ -77,7 +77,8 @@ guestfs_gobject_headers= \ 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-hivex_open.h + include/guestfs-gobject/optargs-hivex_open.h \ + include/guestfs-gobject/optargs-xfs_repair.h guestfs_gobject_sources= \ src/session.c \ @@ -136,4 +137,5 @@ guestfs_gobject_sources= \ src/optargs-rsync_in.c \ src/optargs-rsync_out.c \ src/optargs-xfs_admin.c \ - src/optargs-hivex_open.c + src/optargs-hivex_open.c \ + src/optargs-xfs_repair.c diff --git a/guestfs-release-notes.txt b/guestfs-release-notes.txt index ed9de41..19b8a59 100644 --- a/guestfs-release-notes.txt +++ b/guestfs-release-notes.txt @@ -114,6 +114,7 @@ RELEASE NOTES FOR LIBGUESTFS 1.20 For further information, see https://bugzilla.redhat.com/show_bug.cgi?id=788642 + <https://bugzilla.redhat.com/show_bug.cgi?id=788642> New APIs @@ -1633,10 +1634,14 @@ BUGS To get a list of bugs against libguestfs, use this link: https://bugzilla.redhat.com/buglist.cgi?component=libguestfs&product=Vi rtualization+Tools + <https://bugzilla.redhat.com/buglist.cgi?component=libguestfs&product=V + irtualization+Tools> To report a new bug against libguestfs, use this link: https://bugzilla.redhat.com/enter_bug.cgi?component=libguestfs&product= Virtualization+Tools + <https://bugzilla.redhat.com/enter_bug.cgi?component=libguestfs&product + =Virtualization+Tools> When reporting a bug, please supply: diff --git a/po/POTFILES b/po/POTFILES index 13f20c1..19cb0b5 100644 --- a/po/POTFILES +++ b/po/POTFILES @@ -172,6 +172,7 @@ 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 4753102..4203007 100644 --- a/src/MAX_PROC_NR +++ b/src/MAX_PROC_NR @@ -1 +1 @@ -365 +366 -- 1.7.12