diff options
Diffstat (limited to 'fs/ext4/super.c')
| -rw-r--r-- | fs/ext4/super.c | 69 |
1 files changed, 38 insertions, 31 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index aac52738eb60..69e5e70cfdee 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1444,6 +1444,10 @@ static const struct mount_opts { {Opt_inode_readahead_blks, 0, MOPT_GTE0}, {Opt_init_itable, 0, MOPT_GTE0}, {Opt_stripe, 0, MOPT_GTE0}, + {Opt_resuid, 0, MOPT_GTE0}, + {Opt_resgid, 0, MOPT_GTE0}, + {Opt_journal_dev, 0, MOPT_GTE0}, + {Opt_journal_ioprio, 0, MOPT_GTE0}, {Opt_data_journal, EXT4_MOUNT_JOURNAL_DATA, MOPT_DATAJ}, {Opt_data_ordered, EXT4_MOUNT_ORDERED_DATA, MOPT_DATAJ}, {Opt_data_writeback, EXT4_MOUNT_WRITEBACK_DATA, MOPT_DATAJ}, @@ -1496,8 +1500,6 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token, else if (token == Opt_offgrpjquota) return clear_qf_name(sb, GRPQUOTA); #endif - if (args->from && match_int(args, &arg)) - return -1; switch (token) { case Opt_noacl: case Opt_nouser_xattr: @@ -1509,46 +1511,19 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token, ext4_msg(sb, KERN_WARNING, "Ignoring removed %s option", opt); return 1; - case Opt_resuid: - uid = make_kuid(current_user_ns(), arg); - if (!uid_valid(uid)) { - ext4_msg(sb, KERN_ERR, "Invalid uid value %d", arg); - return -1; - } - sbi->s_resuid = uid; - return 1; - case Opt_resgid: - gid = make_kgid(current_user_ns(), arg); - if (!gid_valid(gid)) { - ext4_msg(sb, KERN_ERR, "Invalid gid value %d", arg); - return -1; - } - sbi->s_resgid = gid; - return 1; case Opt_abort: sbi->s_mount_flags |= EXT4_MF_FS_ABORTED; return 1; case Opt_i_version: sb->s_flags |= MS_I_VERSION; return 1; - case Opt_journal_dev: - if (is_remount) { - ext4_msg(sb, KERN_ERR, - "Cannot specify journal on remount"); - return -1; - } - *journal_devnum = arg; - return 1; - case Opt_journal_ioprio: - if (arg < 0 || arg > 7) - return -1; - *journal_ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, arg); - return 1; } for (m = ext4_mount_opts; m->token != Opt_err; m++) { if (token != m->token) continue; + if (args->from && match_int(args, &arg)) + return -1; if (args->from && (m->flags & MOPT_GTE0) && (arg < 0)) return -1; if (m->flags & MOPT_EXPLICIT) @@ -1592,6 +1567,38 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token, sbi->s_max_dir_size_kb = arg; } else if (token == Opt_stripe) { sbi->s_stripe = arg; + } else if (token == Opt_resuid) { + uid = make_kuid(current_user_ns(), arg); + if (!uid_valid(uid)) { + ext4_msg(sb, KERN_ERR, + "Invalid uid value %d", arg); + return -1; + } + sbi->s_resuid = uid; + } else if (token == Opt_resgid) { + gid = make_kgid(current_user_ns(), arg); + if (!gid_valid(gid)) { + ext4_msg(sb, KERN_ERR, + "Invalid gid value %d", arg); + return -1; + } + sbi->s_resgid = gid; + } else if (token == Opt_journal_dev) { + if (is_remount) { + ext4_msg(sb, KERN_ERR, + "Cannot specify journal on remount"); + return -1; + } + *journal_devnum = arg; + } else if (token == Opt_journal_ioprio) { + if (arg > 7) { + ext4_msg(sb, KERN_ERR, + "Invalid journal IO priority" + " (must be 0-7)"); + return -1; + } + *journal_ioprio = + IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, arg); } else if (m->flags & MOPT_DATAJ) { if (is_remount) { if (!sbi->s_journal) |