Messages in this thread Patch in this message | | | From | Miklos Szeredi <> | Subject | [PATCH 05/21] vfs: lookup_open(): expand lookup_hash() | Date | Tue, 5 Jun 2012 15:10:16 +0200 |
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From: Miklos Szeredi <mszeredi@suse.cz>
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> --- fs/namei.c | 12 +++++++++++- 1 files changed, 11 insertions(+), 1 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c index 1153476..cd20ddc 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2200,14 +2200,24 @@ 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; -- 1.7.7
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