X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=module%2Fzfs%2Fzfs_ctldir.c;h=55d1696543dee6938b2cbbc8e0063e56d75f31cb;hb=3c203610756f98f275c7c9f731d67a38b1111509;hp=01bf52fe9de2eb643307692b711c1b3a35803ff6;hpb=ebe7e575eae1e03b1faa545a424f008faeac589d;p=zfs.git diff --git a/module/zfs/zfs_ctldir.c b/module/zfs/zfs_ctldir.c index 01bf52f..55d1696 100644 --- a/module/zfs/zfs_ctldir.c +++ b/module/zfs/zfs_ctldir.c @@ -212,6 +212,7 @@ zfsctl_inode_alloc(zfs_sb_t *zsb, uint64_t id, mutex_enter(&zsb->z_znodes_lock); list_insert_tail(&zsb->z_all_znodes, zp); + zsb->z_nr_znodes++; membar_producer(); mutex_exit(&zsb->z_znodes_lock); @@ -224,13 +225,13 @@ zfsctl_inode_alloc(zfs_sb_t *zsb, uint64_t id, * Lookup the inode with given id, it will be allocated if needed. */ static struct inode * -zfsctl_inode_lookup(zfs_sb_t *zsb, unsigned long id, +zfsctl_inode_lookup(zfs_sb_t *zsb, uint64_t id, const struct file_operations *fops, const struct inode_operations *ops) { struct inode *ip = NULL; while (ip == NULL) { - ip = ilookup(zsb->z_sb, id); + ip = ilookup(zsb->z_sb, (unsigned long)id); if (ip) break; @@ -266,10 +267,14 @@ zfsctl_inode_inactive(struct inode *ip) * therefore checks against a vfs_count of 2 instead of 1. This reference * is removed when the ctldir is destroyed in the unmount. All other entities * under the '.zfs' directory are created dynamically as needed. + * + * Because the dynamically created '.zfs' directory entries assume the use + * of 64-bit inode numbers this support must be disabled on 32-bit systems. */ int zfsctl_create(zfs_sb_t *zsb) { +#if defined(CONFIG_64BIT) ASSERT(zsb->z_ctldir == NULL); zsb->z_ctldir = zfsctl_inode_alloc(zsb, ZFSCTL_INO_ROOT, @@ -278,6 +283,9 @@ zfsctl_create(zfs_sb_t *zsb) return (ENOENT); return (0); +#else + return (EOPNOTSUPP); +#endif /* CONFIG_64BIT */ } /* @@ -912,8 +920,8 @@ zfsctl_lookup_objset(struct super_block *sb, uint64_t objsetid, zfs_sb_t **zsbp) * race cannot occur to an expired mount point because * we hold the zsb->z_ctldir_lock to prevent the race. */ - sbp = sget(&zpl_fs_type, zfsctl_test_super, - zfsctl_set_super, &id); + sbp = zpl_sget(&zpl_fs_type, zfsctl_test_super, + zfsctl_set_super, 0, &id); if (IS_ERR(sbp)) { error = -PTR_ERR(sbp); } else {