diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-21 13:36:41 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-21 13:36:41 -0700 |
commit | e2a0883e4071237d09b604a342c28b96b44a04b3 (patch) | |
tree | aa56f4d376b5eb1c32358c19c2669c2a94e0e1fd /fs/configfs/inode.c | |
parent | 3a990a52f9f25f45469e272017a31e7a3fda60ed (diff) | |
parent | 07c0c5d8b8c122b2f2df9ee574ac3083daefc981 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs pile 1 from Al Viro:
"This is _not_ all; in particular, Miklos' and Jan's stuff is not there
yet."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (64 commits)
ext4: initialization of ext4_li_mtx needs to be done earlier
debugfs-related mode_t whack-a-mole
hfsplus: add an ioctl to bless files
hfsplus: change finder_info to u32
hfsplus: initialise userflags
qnx4: new helper - try_extent()
qnx4: get rid of qnx4_bread/qnx4_getblk
take removal of PF_FORKNOEXEC to flush_old_exec()
trim includes in inode.c
um: uml_dup_mmap() relies on ->mmap_sem being held, but activate_mm() doesn't hold it
um: embed ->stub_pages[] into mmu_context
gadgetfs: list_for_each_safe() misuse
ocfs2: fix leaks on failure exits in module_init
ecryptfs: make register_filesystem() the last potential failure exit
ntfs: forgets to unregister sysctls on register_filesystem() failure
logfs: missing cleanup on register_filesystem() failure
jfs: mising cleanup on register_filesystem() failure
make configfs_pin_fs() return root dentry on success
configfs: configfs_create_dir() has parent dentry in dentry->d_parent
configfs: sanitize configfs_create()
...
Diffstat (limited to 'fs/configfs/inode.c')
-rw-r--r-- | fs/configfs/inode.c | 62 |
1 files changed, 30 insertions, 32 deletions
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c index 3ee36d41886..0074362d9f7 100644 --- a/fs/configfs/inode.c +++ b/fs/configfs/inode.c @@ -44,8 +44,6 @@ static struct lock_class_key default_group_class[MAX_LOCK_DEPTH]; #endif -extern struct super_block * configfs_sb; - static const struct address_space_operations configfs_aops = { .readpage = simple_readpage, .write_begin = simple_write_begin, @@ -132,9 +130,10 @@ static inline void set_inode_attr(struct inode * inode, struct iattr * iattr) inode->i_ctime = iattr->ia_ctime; } -struct inode *configfs_new_inode(umode_t mode, struct configfs_dirent * sd) +struct inode *configfs_new_inode(umode_t mode, struct configfs_dirent *sd, + struct super_block *s) { - struct inode * inode = new_inode(configfs_sb); + struct inode * inode = new_inode(s); if (inode) { inode->i_ino = get_next_ino(); inode->i_mapping->a_ops = &configfs_aops; @@ -188,36 +187,35 @@ static void configfs_set_inode_lock_class(struct configfs_dirent *sd, int configfs_create(struct dentry * dentry, umode_t mode, int (*init)(struct inode *)) { int error = 0; - struct inode * inode = NULL; - if (dentry) { - if (!dentry->d_inode) { - struct configfs_dirent *sd = dentry->d_fsdata; - if ((inode = configfs_new_inode(mode, sd))) { - if (dentry->d_parent && dentry->d_parent->d_inode) { - struct inode *p_inode = dentry->d_parent->d_inode; - p_inode->i_mtime = p_inode->i_ctime = CURRENT_TIME; - } - configfs_set_inode_lock_class(sd, inode); - goto Proceed; - } - else - error = -ENOMEM; - } else - error = -EEXIST; - } else - error = -ENOENT; - goto Done; + struct inode *inode = NULL; + struct configfs_dirent *sd; + struct inode *p_inode; + + if (!dentry) + return -ENOENT; + + if (dentry->d_inode) + return -EEXIST; - Proceed: - if (init) + sd = dentry->d_fsdata; + inode = configfs_new_inode(mode, sd, dentry->d_sb); + if (!inode) + return -ENOMEM; + + p_inode = dentry->d_parent->d_inode; + p_inode->i_mtime = p_inode->i_ctime = CURRENT_TIME; + configfs_set_inode_lock_class(sd, inode); + + if (init) { error = init(inode); - if (!error) { - d_instantiate(dentry, inode); - if (S_ISDIR(mode) || S_ISLNK(mode)) - dget(dentry); /* pin link and directory dentries in core */ - } else - iput(inode); - Done: + if (error) { + iput(inode); + return error; + } + } + d_instantiate(dentry, inode); + if (S_ISDIR(mode) || S_ISLNK(mode)) + dget(dentry); /* pin link and directory dentries in core */ return error; } |