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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2011-03-09 11:05:07 +0900
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2011-03-09 11:05:07 +0900
commit3b2ce58b0f3c1633750529713be0e467282abd78 (patch)
tree48c0111adadf00e67933fb5d9883296754fca6ce /fs/nilfs2/super.c
parentbe667377a8b8cd73e1b923f33fb5be4034aa4bfa (diff)
downloadlinux-3b2ce58b0f3c1633750529713be0e467282abd78.tar.bz2
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 <konishi.ryusuke@lab.ntt.co.jp>
Diffstat (limited to 'fs/nilfs2/super.c')
-rw-r--r--fs/nilfs2/super.c56
1 files changed, 29 insertions, 27 deletions
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;
}