diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/Kconfig | 9 | ||||
| -rw-r--r-- | fs/ocfs2/super.c | 33 |
2 files changed, 42 insertions, 0 deletions
diff --git a/fs/Kconfig b/fs/Kconfig index ff0e8198020..e8a47f74a83 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -268,6 +268,15 @@ config OCFS2_COMPAT_JBD is backwards compatible with JBD. It is safe to say N here. However, if you really want to use the original JBD, say Y here. +config OCFS2_FS_POSIX_ACL + bool "OCFS2 POSIX Access Control Lists" + depends on OCFS2_FS + select FS_POSIX_ACL + default n + help + Posix Access Control Lists (ACLs) support permissions for users and + groups beyond the owner/group/world scheme. + endif # BLOCK source "fs/notify/Kconfig" diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 304b63ac78c..9e7accc68b4 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -158,6 +158,8 @@ enum { Opt_user_xattr, Opt_nouser_xattr, Opt_inode64, + Opt_acl, + Opt_noacl, Opt_err, }; @@ -180,6 +182,8 @@ static const match_table_t tokens = { {Opt_user_xattr, "user_xattr"}, {Opt_nouser_xattr, "nouser_xattr"}, {Opt_inode64, "inode64"}, + {Opt_acl, "acl"}, + {Opt_noacl, "noacl"}, {Opt_err, NULL} }; @@ -466,6 +470,8 @@ unlock_osb: if (!ret) { /* Only save off the new mount options in case of a successful * remount. */ + if (!(osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_XATTR)) + parsed_options.mount_opt &= ~OCFS2_MOUNT_POSIX_ACL; osb->s_mount_opt = parsed_options.mount_opt; osb->s_atime_quantum = parsed_options.atime_quantum; osb->preferred_slot = parsed_options.slot; @@ -651,6 +657,10 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) } brelse(bh); bh = NULL; + + if (!(osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_XATTR)) + parsed_options.mount_opt &= ~OCFS2_MOUNT_POSIX_ACL; + osb->s_mount_opt = parsed_options.mount_opt; osb->s_atime_quantum = parsed_options.atime_quantum; osb->preferred_slot = parsed_options.slot; @@ -664,6 +674,9 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) sb->s_magic = OCFS2_SUPER_MAGIC; + sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | + ((osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0); + /* Hard readonly mode only if: bdev_read_only, MS_RDONLY, * heartbeat=none */ if (bdev_read_only(sb->s_bdev)) { @@ -945,6 +958,19 @@ static int ocfs2_parse_options(struct super_block *sb, case Opt_inode64: mopt->mount_opt |= OCFS2_MOUNT_INODE64; break; +#ifdef CONFIG_OCFS2_FS_POSIX_ACL + case Opt_acl: + mopt->mount_opt |= OCFS2_MOUNT_POSIX_ACL; + break; + case Opt_noacl: + mopt->mount_opt &= ~OCFS2_MOUNT_POSIX_ACL; + break; +#else + case Opt_acl: + case Opt_noacl: + printk(KERN_INFO "ocfs2 (no)acl options not supported\n"); + break; +#endif default: mlog(ML_ERROR, "Unrecognized mount option \"%s\" " @@ -1017,6 +1043,13 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt) if (opts & OCFS2_MOUNT_INODE64) seq_printf(s, ",inode64"); +#ifdef CONFIG_OCFS2_FS_POSIX_ACL + if (opts & OCFS2_MOUNT_POSIX_ACL) + seq_printf(s, ",acl"); + else + seq_printf(s, ",noacl"); +#endif + return 0; } |