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| author | Miklos Szeredi <mszeredi@suse.cz> | 2012-06-05 15:10:16 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-07-14 14:33:02 +0200 |
| commit | 54ef487241e863a6046536ac5b1fcd5d7cde86e5 (patch) | |
| tree | 75b6ad7367e699ae891566a6b0d11d05b354ac94 /fs/namei.c | |
| parent | vfs: add lookup_open() (diff) | |
| download | linux-54ef487241e863a6046536ac5b1fcd5d7cde86e5.tar.xz linux-54ef487241e863a6046536ac5b1fcd5d7cde86e5.zip | |
vfs: lookup_open(): expand lookup_hash()
Copy __lookup_hash() into lookup_open(). The next patch will insert the atomic
open call just before the real lookup.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
| -rw-r--r-- | fs/namei.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/namei.c b/fs/namei.c index fad7117dbb28..ccb0eb17f528 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2209,14 +2209,24 @@ static struct file *lookup_open(struct nameidata *nd, struct path *path, int *want_write, bool *created) { struct dentry *dir = nd->path.dentry; + struct inode *dir_inode = dir->d_inode; struct dentry *dentry; int error; + bool need_lookup; *created = false; - dentry = lookup_hash(nd); + dentry = lookup_dcache(&nd->last, dir, nd, &need_lookup); if (IS_ERR(dentry)) return ERR_CAST(dentry); + if (need_lookup) { + BUG_ON(dentry->d_inode); + + dentry = lookup_real(dir_inode, dentry, nd); + if (IS_ERR(dentry)) + return ERR_CAST(dentry); + } + /* Negative dentry, just create the file */ if (!dentry->d_inode && (op->open_flag & O_CREAT)) { umode_t mode = op->mode; |