diff options
Diffstat (limited to 'fs/xfs/xfs_super.c')
-rw-r--r-- | fs/xfs/xfs_super.c | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index f2e5f8a503d2..b194652033cd 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -61,6 +61,7 @@ static const struct super_operations xfs_super_operations; static kmem_zone_t *xfs_ioend_zone; mempool_t *xfs_ioend_pool; +struct kset *xfs_kset; #define MNTOPT_LOGBUFS "logbufs" /* number of XFS log buffers */ #define MNTOPT_LOGBSIZE "logbsize" /* size of XFS log buffers */ @@ -204,9 +205,6 @@ xfs_parseargs( */ mp->m_flags |= XFS_MOUNT_BARRIER; mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE; -#if !XFS_BIG_INUMS - mp->m_flags |= XFS_MOUNT_SMALL_INUMS; -#endif /* * These can be overridden by the mount option parsing. @@ -313,11 +311,6 @@ xfs_parseargs( mp->m_flags |= XFS_MOUNT_SMALL_INUMS; } else if (!strcmp(this_char, MNTOPT_64BITINODE)) { mp->m_flags &= ~XFS_MOUNT_SMALL_INUMS; -#if !XFS_BIG_INUMS - xfs_warn(mp, "%s option not allowed on this system", - this_char); - return -EINVAL; -#endif } else if (!strcmp(this_char, MNTOPT_NOUUID)) { mp->m_flags |= XFS_MOUNT_NOUUID; } else if (!strcmp(this_char, MNTOPT_BARRIER)) { @@ -597,15 +590,20 @@ xfs_max_file_offset( return (((__uint64_t)pagefactor) << bitshift) - 1; } +/* + * xfs_set_inode32() and xfs_set_inode64() are passed an agcount + * because in the growfs case, mp->m_sb.sb_agcount is not updated + * yet to the potentially higher ag count. + */ xfs_agnumber_t -xfs_set_inode32(struct xfs_mount *mp) +xfs_set_inode32(struct xfs_mount *mp, xfs_agnumber_t agcount) { xfs_agnumber_t index = 0; xfs_agnumber_t maxagi = 0; xfs_sb_t *sbp = &mp->m_sb; xfs_agnumber_t max_metadata; - xfs_agino_t agino = XFS_OFFBNO_TO_AGINO(mp, sbp->sb_agblocks -1, 0); - xfs_ino_t ino = XFS_AGINO_TO_INO(mp, sbp->sb_agcount -1, agino); + xfs_agino_t agino; + xfs_ino_t ino; xfs_perag_t *pag; /* Calculate how much should be reserved for inodes to meet @@ -620,10 +618,12 @@ xfs_set_inode32(struct xfs_mount *mp) do_div(icount, sbp->sb_agblocks); max_metadata = icount; } else { - max_metadata = sbp->sb_agcount; + max_metadata = agcount; } - for (index = 0; index < sbp->sb_agcount; index++) { + agino = XFS_OFFBNO_TO_AGINO(mp, sbp->sb_agblocks - 1, 0); + + for (index = 0; index < agcount; index++) { ino = XFS_AGINO_TO_INO(mp, index, agino); if (ino > XFS_MAXINUMBER_32) { @@ -648,11 +648,11 @@ xfs_set_inode32(struct xfs_mount *mp) } xfs_agnumber_t -xfs_set_inode64(struct xfs_mount *mp) +xfs_set_inode64(struct xfs_mount *mp, xfs_agnumber_t agcount) { xfs_agnumber_t index = 0; - for (index = 0; index < mp->m_sb.sb_agcount; index++) { + for (index = 0; index < agcount; index++) { struct xfs_perag *pag; pag = xfs_perag_get(mp, index); @@ -1188,6 +1188,7 @@ xfs_fs_remount( char *options) { struct xfs_mount *mp = XFS_M(sb); + xfs_sb_t *sbp = &mp->m_sb; substring_t args[MAX_OPT_ARGS]; char *p; int error; @@ -1208,10 +1209,10 @@ xfs_fs_remount( mp->m_flags &= ~XFS_MOUNT_BARRIER; break; case Opt_inode64: - mp->m_maxagi = xfs_set_inode64(mp); + mp->m_maxagi = xfs_set_inode64(mp, sbp->sb_agcount); break; case Opt_inode32: - mp->m_maxagi = xfs_set_inode32(mp); + mp->m_maxagi = xfs_set_inode32(mp, sbp->sb_agcount); break; default: /* @@ -1761,9 +1762,15 @@ init_xfs_fs(void) if (error) goto out_cleanup_procfs; + xfs_kset = kset_create_and_add("xfs", NULL, fs_kobj); + if (!xfs_kset) { + error = -ENOMEM; + goto out_sysctl_unregister;; + } + error = xfs_qm_init(); if (error) - goto out_sysctl_unregister; + goto out_kset_unregister; error = register_filesystem(&xfs_fs_type); if (error) @@ -1772,6 +1779,8 @@ init_xfs_fs(void) out_qm_exit: xfs_qm_exit(); + out_kset_unregister: + kset_unregister(xfs_kset); out_sysctl_unregister: xfs_sysctl_unregister(); out_cleanup_procfs: @@ -1793,6 +1802,7 @@ exit_xfs_fs(void) { xfs_qm_exit(); unregister_filesystem(&xfs_fs_type); + kset_unregister(xfs_kset); xfs_sysctl_unregister(); xfs_cleanup_procfs(); xfs_buf_terminate(); |