diff options
| author | Miklos Szeredi <mszeredi@redhat.com> | 2016-05-11 01:16:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-05-18 17:06:48 -0700 |
| commit | b0dac61d2454b392dbdb4ad565f9dc3dc76fce96 (patch) | |
| tree | 3436470e32cd86be54961121dfa5e89af265bac7 | |
| parent | e54c41be42cd77cf11817bc50f91933cda3903d9 (diff) | |
vfs: add vfs_select_inode() helper
commit 54d5ca871e72f2bb172ec9323497f01cd5091ec7 upstream.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/open.c | 12 | ||||
| -rw-r--r-- | include/linux/dcache.h | 12 |
2 files changed, 16 insertions, 8 deletions
diff --git a/fs/open.c b/fs/open.c index 6a24f988d253..157b9940dd73 100644 --- a/fs/open.c +++ b/fs/open.c @@ -840,16 +840,12 @@ EXPORT_SYMBOL(file_path); int vfs_open(const struct path *path, struct file *file, const struct cred *cred) { - struct dentry *dentry = path->dentry; - struct inode *inode = dentry->d_inode; + struct inode *inode = vfs_select_inode(path->dentry, file->f_flags); - file->f_path = *path; - if (dentry->d_flags & DCACHE_OP_SELECT_INODE) { - inode = dentry->d_op->d_select_inode(dentry, file->f_flags); - if (IS_ERR(inode)) - return PTR_ERR(inode); - } + if (IS_ERR(inode)) + return PTR_ERR(inode); + file->f_path = *path; return do_dentry_open(file, inode, NULL, cred); } diff --git a/include/linux/dcache.h b/include/linux/dcache.h index f513dd855cb2..d81746d3b2da 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -592,4 +592,16 @@ static inline struct dentry *d_real(struct dentry *dentry) return dentry; } +static inline struct inode *vfs_select_inode(struct dentry *dentry, + unsigned open_flags) +{ + struct inode *inode = d_inode(dentry); + + if (inode && unlikely(dentry->d_flags & DCACHE_OP_SELECT_INODE)) + inode = dentry->d_op->d_select_inode(dentry, open_flags); + + return inode; +} + + #endif /* __LINUX_DCACHE_H */ |