diff options
Diffstat (limited to 'fs/fat/inode.c')
| -rw-r--r-- | fs/fat/inode.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 830058057d33..86753fe10bd1 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -14,7 +14,6 @@ #include <linux/init.h> #include <linux/time.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/seq_file.h> #include <linux/pagemap.h> #include <linux/mpage.h> @@ -489,8 +488,6 @@ static void fat_put_super(struct super_block *sb) { struct msdos_sb_info *sbi = MSDOS_SB(sb); - lock_kernel(); - if (sb->s_dirt) fat_write_super(sb); @@ -504,8 +501,6 @@ static void fat_put_super(struct super_block *sb) sb->s_fs_info = NULL; kfree(sbi); - - unlock_kernel(); } static struct kmem_cache *fat_inode_cachep; @@ -519,11 +514,18 @@ static struct inode *fat_alloc_inode(struct super_block *sb) return &ei->vfs_inode; } -static void fat_destroy_inode(struct inode *inode) +static void fat_i_callback(struct rcu_head *head) { + struct inode *inode = container_of(head, struct inode, i_rcu); + INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(fat_inode_cachep, MSDOS_I(inode)); } +static void fat_destroy_inode(struct inode *inode) +{ + call_rcu(&inode->i_rcu, fat_i_callback); +} + static void init_once(void *foo) { struct msdos_inode_info *ei = (struct msdos_inode_info *)foo; @@ -701,7 +703,6 @@ static struct dentry *fat_fh_to_dentry(struct super_block *sb, struct fid *fid, int fh_len, int fh_type) { struct inode *inode = NULL; - struct dentry *result; u32 *fh = fid->raw; if (fh_len < 5 || fh_type != 3) @@ -746,10 +747,7 @@ static struct dentry *fat_fh_to_dentry(struct super_block *sb, * the fat_iget lookup again. If that fails, then we are totally out * of luck. But all that is for another day */ - result = d_obtain_alias(inode); - if (!IS_ERR(result)) - result->d_op = sb->s_root->d_op; - return result; + return d_obtain_alias(inode); } static int @@ -797,8 +795,6 @@ static struct dentry *fat_get_parent(struct dentry *child) brelse(bh); parent = d_obtain_alias(inode); - if (!IS_ERR(parent)) - parent->d_op = sb->s_root->d_op; out: unlock_super(sb); @@ -1242,7 +1238,8 @@ static int fat_read_root(struct inode *inode) * Read the super block of an MS-DOS FS. */ int fat_fill_super(struct super_block *sb, void *data, int silent, - const struct inode_operations *fs_dir_inode_ops, int isvfat) + const struct inode_operations *fs_dir_inode_ops, int isvfat, + void (*setup)(struct super_block *)) { struct inode *root_inode = NULL, *fat_inode = NULL; struct buffer_head *bh; @@ -1278,6 +1275,8 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, if (error) goto out_fail; + setup(sb); /* flavour-specific stuff that needs options */ + error = -EIO; sb_min_blocksize(sb, 512); bh = sb_bread(sb, 0); |