diff options
| author | Kirk McKusick <mckusick@FreeBSD.org> | 2019-02-25 21:58:19 +0000 |
|---|---|---|
| committer | Kirk McKusick <mckusick@FreeBSD.org> | 2019-02-25 21:58:19 +0000 |
| commit | ac4b20a0a71e693d9b241a8396ec4540fc4cef68 (patch) | |
| tree | 7ccbacf263cde50d88aae9e36a7a6fed7dad8103 /sys | |
| parent | 2528b7e2cb5c0d6fe0ad020dd80a1573d02a6240 (diff) | |
Notes
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/ufs/ffs/ffs_alloc.c | 22 | ||||
| -rw-r--r-- | sys/ufs/ffs/fs.h | 3 |
2 files changed, 24 insertions, 1 deletions
diff --git a/sys/ufs/ffs/ffs_alloc.c b/sys/ufs/ffs/ffs_alloc.c index e70da0e746ab8..f4bdd5789ab54 100644 --- a/sys/ufs/ffs/ffs_alloc.c +++ b/sys/ufs/ffs/ffs_alloc.c @@ -3037,6 +3037,8 @@ ffs_fserr(fs, inum, cp) * the count to zero will cause the inode to be freed. * adjblkcnt(inode, amt) - adjust the number of blocks used by the * inode by the specified amount. + * adjsize(inode, size) - set the size of the inode to the + * specified size. * adjndir, adjbfree, adjifree, adjffree, adjnumclusters(amt) - * adjust the superblock summary. * freedirs(inode, count) - directory inodes [inode..inode + count - 1] @@ -3078,6 +3080,9 @@ SYSCTL_PROC(_vfs_ffs, FFS_ADJ_REFCNT, adjrefcnt, CTLFLAG_WR|CTLTYPE_STRUCT, static SYSCTL_NODE(_vfs_ffs, FFS_ADJ_BLKCNT, adjblkcnt, CTLFLAG_WR, sysctl_ffs_fsck, "Adjust Inode Used Blocks Count"); +static SYSCTL_NODE(_vfs_ffs, FFS_SET_SIZE, setsize, CTLFLAG_WR, + sysctl_ffs_fsck, "Set the inode size"); + static SYSCTL_NODE(_vfs_ffs, FFS_ADJ_NDIR, adjndir, CTLFLAG_WR, sysctl_ffs_fsck, "Adjust number of directories"); @@ -3230,6 +3235,23 @@ sysctl_ffs_fsck(SYSCTL_HANDLER_ARGS) vput(vp); break; + case FFS_SET_SIZE: +#ifdef DEBUG + if (fsckcmds) { + printf("%s: set inode %jd size to %jd\n", + mp->mnt_stat.f_mntonname, (intmax_t)cmd.value, + (intmax_t)cmd.size); + } +#endif /* DEBUG */ + if ((error = ffs_vget(mp, (ino_t)cmd.value, LK_EXCLUSIVE, &vp))) + break; + ip = VTOI(vp); + DIP_SET(ip, i_size, cmd.size); + ip->i_flag |= IN_CHANGE | IN_MODIFIED; + error = ffs_update(vp, 1); + vput(vp); + break; + case FFS_DIR_FREE: filetype = IFDIR; /* fall through */ diff --git a/sys/ufs/ffs/fs.h b/sys/ufs/ffs/fs.h index 0560bc693afa2..d052b603d5f17 100644 --- a/sys/ufs/ffs/fs.h +++ b/sys/ufs/ffs/fs.h @@ -221,7 +221,8 @@ #define FFS_UNLINK 14 /* remove a name in the filesystem */ #define FFS_SET_INODE 15 /* update an on-disk inode */ #define FFS_SET_BUFOUTPUT 16 /* set buffered writing on descriptor */ -#define FFS_MAXID 16 /* number of valid ffs ids */ +#define FFS_SET_SIZE 17 /* set inode size */ +#define FFS_MAXID 17 /* number of valid ffs ids */ /* * Command structure passed in to the filesystem to adjust filesystem values. |