super.c (773bc4f3b6898634a80a41c72a1f34cb89992dcd) super.c (802d31775404ee335ca1e97a82e1e706a4c843be)
1/*
2 * super.c - NILFS module and super block management.
3 *
4 * Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or

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599 .fh_to_dentry = nilfs_fh_to_dentry,
600 .fh_to_parent = nilfs_fh_to_parent,
601 .get_parent = nilfs_get_parent,
602};
603
604enum {
605 Opt_err_cont, Opt_err_panic, Opt_err_ro,
606 Opt_barrier, Opt_nobarrier, Opt_snapshot, Opt_order, Opt_norecovery,
1/*
2 * super.c - NILFS module and super block management.
3 *
4 * Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or

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599 .fh_to_dentry = nilfs_fh_to_dentry,
600 .fh_to_parent = nilfs_fh_to_parent,
601 .get_parent = nilfs_get_parent,
602};
603
604enum {
605 Opt_err_cont, Opt_err_panic, Opt_err_ro,
606 Opt_barrier, Opt_nobarrier, Opt_snapshot, Opt_order, Opt_norecovery,
607 Opt_discard, Opt_err,
607 Opt_discard, Opt_nodiscard, Opt_err,
608};
609
610static match_table_t tokens = {
611 {Opt_err_cont, "errors=continue"},
612 {Opt_err_panic, "errors=panic"},
613 {Opt_err_ro, "errors=remount-ro"},
614 {Opt_barrier, "barrier"},
615 {Opt_nobarrier, "nobarrier"},
616 {Opt_snapshot, "cp=%u"},
617 {Opt_order, "order=%s"},
618 {Opt_norecovery, "norecovery"},
619 {Opt_discard, "discard"},
608};
609
610static match_table_t tokens = {
611 {Opt_err_cont, "errors=continue"},
612 {Opt_err_panic, "errors=panic"},
613 {Opt_err_ro, "errors=remount-ro"},
614 {Opt_barrier, "barrier"},
615 {Opt_nobarrier, "nobarrier"},
616 {Opt_snapshot, "cp=%u"},
617 {Opt_order, "order=%s"},
618 {Opt_norecovery, "norecovery"},
619 {Opt_discard, "discard"},
620 {Opt_nodiscard, "nodiscard"},
620 {Opt_err, NULL}
621};
622
623static int parse_options(char *options, struct super_block *sb)
624{
625 struct nilfs_sb_info *sbi = NILFS_SB(sb);
626 char *p;
627 substring_t args[MAX_OPT_ARGS];

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671 nilfs_set_opt(sbi, SNAPSHOT);
672 break;
673 case Opt_norecovery:
674 nilfs_set_opt(sbi, NORECOVERY);
675 break;
676 case Opt_discard:
677 nilfs_set_opt(sbi, DISCARD);
678 break;
621 {Opt_err, NULL}
622};
623
624static int parse_options(char *options, struct super_block *sb)
625{
626 struct nilfs_sb_info *sbi = NILFS_SB(sb);
627 char *p;
628 substring_t args[MAX_OPT_ARGS];

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672 nilfs_set_opt(sbi, SNAPSHOT);
673 break;
674 case Opt_norecovery:
675 nilfs_set_opt(sbi, NORECOVERY);
676 break;
677 case Opt_discard:
678 nilfs_set_opt(sbi, DISCARD);
679 break;
680 case Opt_nodiscard:
681 nilfs_clear_opt(sbi, DISCARD);
682 break;
679 default:
680 printk(KERN_ERR
681 "NILFS: Unrecognized mount option \"%s\"\n", p);
682 return 0;
683 }
684 }
685 return 1;
686}

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684 printk(KERN_ERR
685 "NILFS: Unrecognized mount option \"%s\"\n", p);
686 return 0;
687 }
688 }
689 return 1;
690}

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