diff options
Diffstat (limited to 'fs/nilfs2/super.c')
-rw-r--r-- | fs/nilfs2/super.c | 63 |
1 files changed, 23 insertions, 40 deletions
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index a8cbd695441..062cca06519 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -76,7 +76,7 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data); static void nilfs_set_error(struct super_block *sb) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; struct nilfs_super_block **sbp; down_write(&nilfs->ns_sem); @@ -108,7 +108,7 @@ static void nilfs_set_error(struct super_block *sb) void nilfs_error(struct super_block *sb, const char *function, const char *fmt, ...) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; struct va_format vaf; va_list args; @@ -190,7 +190,7 @@ void nilfs_destroy_inode(struct inode *inode) static int nilfs_sync_super(struct super_block *sb, int flag) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; int err; retry: @@ -265,7 +265,7 @@ void nilfs_set_log_cursor(struct nilfs_super_block *sbp, struct nilfs_super_block **nilfs_prepare_super(struct super_block *sb, int flip) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; struct nilfs_super_block **sbp = nilfs->ns_sbp; /* nilfs->ns_sem must be locked by the caller. */ @@ -291,7 +291,7 @@ struct nilfs_super_block **nilfs_prepare_super(struct super_block *sb, int nilfs_commit_super(struct super_block *sb, int flag) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; struct nilfs_super_block **sbp = nilfs->ns_sbp; time_t t; @@ -324,7 +324,7 @@ int nilfs_commit_super(struct super_block *sb, int flag) */ int nilfs_cleanup_super(struct super_block *sb) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; struct nilfs_super_block **sbp; int flag = NILFS_SB_COMMIT; int ret = -EIO; @@ -349,8 +349,7 @@ int nilfs_cleanup_super(struct super_block *sb) static void nilfs_put_super(struct super_block *sb) { - struct nilfs_sb_info *sbi = NILFS_SB(sb); - struct the_nilfs *nilfs = sbi->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; nilfs_detach_log_writer(sb); @@ -365,14 +364,12 @@ static void nilfs_put_super(struct super_block *sb) iput(nilfs->ns_dat); destroy_nilfs(nilfs); - sbi->s_super = NULL; sb->s_fs_info = NULL; - kfree(sbi); } static int nilfs_sync_fs(struct super_block *sb, int wait) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; struct nilfs_super_block **sbp; int err = 0; @@ -396,7 +393,7 @@ static int nilfs_sync_fs(struct super_block *sb, int wait) int nilfs_attach_checkpoint(struct super_block *sb, __u64 cno, int curr_mnt, struct nilfs_root **rootp) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; struct nilfs_root *root; struct nilfs_checkpoint *raw_cp; struct buffer_head *bh_cp; @@ -449,7 +446,7 @@ int nilfs_attach_checkpoint(struct super_block *sb, __u64 cno, int curr_mnt, static int nilfs_freeze(struct super_block *sb) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; int err; if (sb->s_flags & MS_RDONLY) @@ -464,7 +461,7 @@ static int nilfs_freeze(struct super_block *sb) static int nilfs_unfreeze(struct super_block *sb) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; if (sb->s_flags & MS_RDONLY) return 0; @@ -527,7 +524,7 @@ 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 the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; struct nilfs_root *root = NILFS_I(vfs->mnt_root->d_inode)->i_root; if (!nilfs_test_opt(nilfs, BARRIER)) @@ -591,7 +588,7 @@ static match_table_t tokens = { static int parse_options(char *options, struct super_block *sb, int is_remount) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; char *p; substring_t args[MAX_OPT_ARGS]; @@ -660,7 +657,7 @@ static inline void nilfs_set_default_options(struct super_block *sb, struct nilfs_super_block *sbp) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; nilfs->ns_mount_opt = NILFS_MOUNT_ERRORS_RO | NILFS_MOUNT_BARRIER; @@ -668,7 +665,7 @@ nilfs_set_default_options(struct super_block *sb, static int nilfs_setup_super(struct super_block *sb, int is_mount) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; struct nilfs_super_block **sbp; int max_mnt_count; int mnt_count; @@ -726,7 +723,7 @@ int nilfs_store_magic_and_option(struct super_block *sb, struct nilfs_super_block *sbp, char *data) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; sb->s_magic = le16_to_cpu(sbp->s_magic); @@ -821,7 +818,7 @@ static int nilfs_get_root_dentry(struct super_block *sb, static int nilfs_attach_snapshot(struct super_block *s, __u64 cno, struct dentry **root_dentry) { - struct the_nilfs *nilfs = NILFS_SB(s)->s_nilfs; + struct the_nilfs *nilfs = s->s_fs_info; struct nilfs_root *root; int ret; @@ -873,7 +870,7 @@ static int nilfs_try_to_shrink_tree(struct dentry *root_dentry) int nilfs_checkpoint_is_mounted(struct super_block *sb, __u64 cno) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; struct nilfs_root *root; struct inode *inode; struct dentry *dentry; @@ -886,7 +883,7 @@ int nilfs_checkpoint_is_mounted(struct super_block *sb, __u64 cno) return true; /* protect recent checkpoints */ ret = false; - root = nilfs_lookup_root(NILFS_SB(sb)->s_nilfs, cno); + root = nilfs_lookup_root(nilfs, cno); if (root) { inode = nilfs_ilookup(sb, root, NILFS_ROOT_INO); if (inode) { @@ -916,25 +913,16 @@ static int nilfs_fill_super(struct super_block *sb, void *data, int silent) { struct the_nilfs *nilfs; - struct nilfs_sb_info *sbi; struct nilfs_root *fsroot; struct backing_dev_info *bdi; __u64 cno; int err; - sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); - if (!sbi) + nilfs = alloc_nilfs(sb->s_bdev); + if (!nilfs) return -ENOMEM; - sb->s_fs_info = sbi; - sbi->s_super = sb; - - nilfs = alloc_nilfs(sb->s_bdev); - if (!nilfs) { - err = -ENOMEM; - goto failed_sbi; - } - sbi->s_nilfs = nilfs; + sb->s_fs_info = nilfs; err = init_nilfs(nilfs, sb, (char *)data); if (err) @@ -993,16 +981,12 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent) failed_nilfs: destroy_nilfs(nilfs); - - failed_sbi: - sb->s_fs_info = NULL; - kfree(sbi); return err; } static int nilfs_remount(struct super_block *sb, int *flags, char *data) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; unsigned long old_sb_flags; unsigned long old_mount_opt; int err; @@ -1083,7 +1067,6 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data) struct nilfs_super_data { struct block_device *bdev; - struct nilfs_sb_info *sbi; __u64 cno; int flags; }; |