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make ->atomic_open() return int

Browse source 
Change of calling conventions:
old		new
NULL		1
file		0
ERR_PTR(-ve)	-ve

Caller *knows* that struct file *; no need to return it.

Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2012-06-22 12:39:14 +04:00
commit d95852777b
13 changed files with 97 additions and 105 deletions
Download patch file Download diff file Expand all files Collapse all files

10
fs/9p/vfs_inode.c
View file

@ -856,7 +856,7 @@ error:
return ERR_PTR(result);
}
static struct file *
static int
v9fs_vfs_atomic_open(struct inode *dir, struct dentry *dentry,
struct opendata *od, unsigned flags, umode_t mode,
int *opened)
@ -872,7 +872,7 @@ v9fs_vfs_atomic_open(struct inode *dir, struct dentry *dentry,
if (d_unhashed(dentry)) {
res = v9fs_vfs_lookup(dir, dentry, NULL);
if (IS_ERR(res))
return ERR_CAST(res);
return PTR_ERR(res);
if (res)
dentry = res;
@ -881,7 +881,7 @@ v9fs_vfs_atomic_open(struct inode *dir, struct dentry *dentry,
/* Only creates */
if (!(flags & O_CREAT) || dentry->d_inode) {
finish_no_open(od, res);
return NULL;
return 1;
}
err = 0;
@ -933,13 +933,11 @@ v9fs_vfs_atomic_open(struct inode *dir, struct dentry *dentry,
*opened |= FILE_CREATED;
out:
dput(res);
return filp;
return err;
error:
if (fid)
p9_client_clunk(fid);
filp = ERR_PTR(err);
goto out;
}

14
fs/9p/vfs_inode_dotl.c
View file

@ -240,7 +240,7 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, umode_t omode,
return v9fs_vfs_mknod_dotl(dir, dentry, omode, 0);
}
static struct file *
static int
v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
struct opendata *od, unsigned flags, umode_t omode,
int *opened)
@ -262,7 +262,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
if (d_unhashed(dentry)) {
res = v9fs_vfs_lookup(dir, dentry, NULL);
if (IS_ERR(res))
return ERR_CAST(res);
return PTR_ERR(res);
if (res)
dentry = res;
@ -271,7 +271,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
/* Only creates */
if (!(flags & O_CREAT) || dentry->d_inode) {
finish_no_open(od, res);
return NULL;
return 1;
}
v9ses = v9fs_inode2v9ses(dir);
@ -284,7 +284,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
if (IS_ERR(dfid)) {
err = PTR_ERR(dfid);
p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
goto err_return;
goto out;
}
/* clone a fid to use for creation */
@ -292,7 +292,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
if (IS_ERR(ofid)) {
err = PTR_ERR(ofid);
p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
goto err_return;
goto out;
}
gid = v9fs_get_fsgid_for_create(dir);
@ -370,7 +370,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
*opened |= FILE_CREATED;
out:
dput(res);
return filp;
return err;
error:
if (fid)
@ -379,8 +379,6 @@ err_clunk_old_fid:
if (ofid)
p9_client_clunk(ofid);
v9fs_set_create_acl(NULL, &dacl, &pacl);
err_return:
filp = ERR_PTR(err);
goto out;
}