From 3b2ce58b0f3c1633750529713be0e467282abd78 Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi Date: Wed, 9 Mar 2011 11:05:07 +0900 Subject: nilfs2: move mount options to nilfs object This moves mount_opt local variable to nilfs object from nilfs_sb_info struct. Signed-off-by: Ryusuke Konishi --- fs/nilfs2/super.c | 56 ++++++++++++++++++++++++++++--------------------------- 1 file changed, 29 insertions(+), 27 deletions(-) (limited to 'fs/nilfs2/super.c') diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 1673b3d99842..0576cb21d699 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -109,7 +109,7 @@ static void nilfs_set_error(struct nilfs_sb_info *sbi) void nilfs_error(struct super_block *sb, const char *function, const char *fmt, ...) { - struct nilfs_sb_info *sbi = NILFS_SB(sb); + struct the_nilfs *nilfs = sbi->s_nilfs; struct va_format vaf; va_list args; @@ -126,13 +126,13 @@ void nilfs_error(struct super_block *sb, const char *function, if (!(sb->s_flags & MS_RDONLY)) { nilfs_set_error(sbi); - if (nilfs_test_opt(sbi, ERRORS_RO)) { + if (nilfs_test_opt(nilfs, ERRORS_RO)) { printk(KERN_CRIT "Remounting filesystem read-only\n"); sb->s_flags |= MS_RDONLY; } } - if (nilfs_test_opt(sbi, ERRORS_PANIC)) + if (nilfs_test_opt(nilfs, ERRORS_PANIC)) panic("NILFS (device %s): panic forced after error\n", sb->s_id); } @@ -196,7 +196,7 @@ static int nilfs_sync_super(struct nilfs_sb_info *sbi, int flag) retry: set_buffer_dirty(nilfs->ns_sbh[0]); - if (nilfs_test_opt(sbi, BARRIER)) { + if (nilfs_test_opt(nilfs, BARRIER)) { err = __sync_dirty_buffer(nilfs->ns_sbh[0], WRITE_SYNC | WRITE_FLUSH_FUA); } else { @@ -530,22 +530,22 @@ static int nilfs_statfs(struct dentry *dentry, struct kstatfs *buf) static int nilfs_show_options(struct seq_file *seq, struct vfsmount *vfs) { struct super_block *sb = vfs->mnt_sb; - struct nilfs_sb_info *sbi = NILFS_SB(sb); + struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; struct nilfs_root *root = NILFS_I(vfs->mnt_root->d_inode)->i_root; - if (!nilfs_test_opt(sbi, BARRIER)) + if (!nilfs_test_opt(nilfs, BARRIER)) seq_puts(seq, ",nobarrier"); if (root->cno != NILFS_CPTREE_CURRENT_CNO) seq_printf(seq, ",cp=%llu", (unsigned long long)root->cno); - if (nilfs_test_opt(sbi, ERRORS_PANIC)) + if (nilfs_test_opt(nilfs, ERRORS_PANIC)) seq_puts(seq, ",errors=panic"); - if (nilfs_test_opt(sbi, ERRORS_CONT)) + if (nilfs_test_opt(nilfs, ERRORS_CONT)) seq_puts(seq, ",errors=continue"); - if (nilfs_test_opt(sbi, STRICT_ORDER)) + if (nilfs_test_opt(nilfs, STRICT_ORDER)) seq_puts(seq, ",order=strict"); - if (nilfs_test_opt(sbi, NORECOVERY)) + if (nilfs_test_opt(nilfs, NORECOVERY)) seq_puts(seq, ",norecovery"); - if (nilfs_test_opt(sbi, DISCARD)) + if (nilfs_test_opt(nilfs, DISCARD)) seq_puts(seq, ",discard"); return 0; @@ -594,7 +594,7 @@ static match_table_t tokens = { static int parse_options(char *options, struct super_block *sb, int is_remount) { - struct nilfs_sb_info *sbi = NILFS_SB(sb); + struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; char *p; substring_t args[MAX_OPT_ARGS]; @@ -609,29 +609,29 @@ static int parse_options(char *options, struct super_block *sb, int is_remount) token = match_token(p, tokens, args); switch (token) { case Opt_barrier: - nilfs_set_opt(sbi, BARRIER); + nilfs_set_opt(nilfs, BARRIER); break; case Opt_nobarrier: - nilfs_clear_opt(sbi, BARRIER); + nilfs_clear_opt(nilfs, BARRIER); break; case Opt_order: if (strcmp(args[0].from, "relaxed") == 0) /* Ordered data semantics */ - nilfs_clear_opt(sbi, STRICT_ORDER); + nilfs_clear_opt(nilfs, STRICT_ORDER); else if (strcmp(args[0].from, "strict") == 0) /* Strict in-order semantics */ - nilfs_set_opt(sbi, STRICT_ORDER); + nilfs_set_opt(nilfs, STRICT_ORDER); else return 0; break; case Opt_err_panic: - nilfs_write_opt(sbi, ERROR_MODE, ERRORS_PANIC); + nilfs_write_opt(nilfs, ERROR_MODE, ERRORS_PANIC); break; case Opt_err_ro: - nilfs_write_opt(sbi, ERROR_MODE, ERRORS_RO); + nilfs_write_opt(nilfs, ERROR_MODE, ERRORS_RO); break; case Opt_err_cont: - nilfs_write_opt(sbi, ERROR_MODE, ERRORS_CONT); + nilfs_write_opt(nilfs, ERROR_MODE, ERRORS_CONT); break; case Opt_snapshot: if (is_remount) { @@ -642,13 +642,13 @@ static int parse_options(char *options, struct super_block *sb, int is_remount) } break; case Opt_norecovery: - nilfs_set_opt(sbi, NORECOVERY); + nilfs_set_opt(nilfs, NORECOVERY); break; case Opt_discard: - nilfs_set_opt(sbi, DISCARD); + nilfs_set_opt(nilfs, DISCARD); break; case Opt_nodiscard: - nilfs_clear_opt(sbi, DISCARD); + nilfs_clear_opt(nilfs, DISCARD); break; default: printk(KERN_ERR @@ -660,10 +660,12 @@ static int parse_options(char *options, struct super_block *sb, int is_remount) } static inline void -nilfs_set_default_options(struct nilfs_sb_info *sbi, +nilfs_set_default_options(struct super_block *sb, struct nilfs_super_block *sbp) { - sbi->s_mount_opt = + struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + + nilfs->ns_mount_opt = NILFS_MOUNT_ERRORS_RO | NILFS_MOUNT_BARRIER; } @@ -736,7 +738,7 @@ int nilfs_store_magic_and_option(struct super_block *sb, sb->s_flags |= MS_NOATIME; #endif - nilfs_set_default_options(sbi, sbp); + nilfs_set_default_options(sb, sbp); sbi->s_resuid = le16_to_cpu(sbp->s_def_resuid); sbi->s_resgid = le16_to_cpu(sbp->s_def_resgid); @@ -1023,7 +1025,7 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data) int err; old_sb_flags = sb->s_flags; - old_mount_opt = sbi->s_mount_opt; + old_mount_opt = nilfs->ns_mount_opt; if (!parse_options(data, sb, 1)) { err = -EINVAL; @@ -1092,7 +1094,7 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data) restore_opts: sb->s_flags = old_sb_flags; - sbi->s_mount_opt = old_mount_opt; + nilfs->ns_mount_opt = old_mount_opt; return err; } -- cgit v1.2.3