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authorAl Viro <viro@zeniv.linux.org.uk>2012-06-22 12:39:14 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-07-14 16:33:35 +0400
commitd95852777bc8ba6b3ad3397d495c5f9dd8ca8383 (patch)
tree96e9d8b1d33c4f6f7b5ba5be0fa4fd8f77c7a67f /fs/fuse/dir.c
parent3d8a00d2099ebc6d5a6e95fadaf861709d9919a8 (diff)
downloadlinux-linaro-stable-d95852777bc8ba6b3ad3397d495c5f9dd8ca8383.tar.gz
make ->atomic_open() return int
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 <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/fuse/dir.c')
-rw-r--r--fs/fuse/dir.c33
1 files changed, 16 insertions, 17 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 345f78ee5c9d..8a9ca09e87d4 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -369,9 +369,9 @@ static struct dentry *fuse_lookup(struct inode *dir, struct dentry *entry,
* If the filesystem doesn't support this, then fall back to separate
* 'mknod' + 'open' requests.
*/
-static struct file *fuse_create_open(struct inode *dir, struct dentry *entry,
- struct opendata *od, unsigned flags,
- umode_t mode, int *opened)
+static int fuse_create_open(struct inode *dir, struct dentry *entry,
+ struct opendata *od, unsigned flags,
+ umode_t mode, int *opened)
{
int err;
struct inode *inode;
@@ -452,12 +452,14 @@ static struct file *fuse_create_open(struct inode *dir, struct dentry *entry,
fuse_invalidate_attr(dir);
file = finish_open(od, entry, generic_file_open, opened);
if (IS_ERR(file)) {
+ err = PTR_ERR(file);
fuse_sync_release(ff, flags);
} else {
file->private_data = fuse_file_get(ff);
fuse_finish_open(inode, file);
+ err = 0;
}
- return file;
+ return err;
out_free_ff:
fuse_file_free(ff);
@@ -466,23 +468,22 @@ out_put_request:
out_put_forget_req:
kfree(forget);
out_err:
- return ERR_PTR(err);
+ return err;
}
static int fuse_mknod(struct inode *, struct dentry *, umode_t, dev_t);
-static struct file *fuse_atomic_open(struct inode *dir, struct dentry *entry,
- struct opendata *od, unsigned flags,
- umode_t mode, int *opened)
+static int fuse_atomic_open(struct inode *dir, struct dentry *entry,
+ struct opendata *od, unsigned flags,
+ umode_t mode, int *opened)
{
int err;
struct fuse_conn *fc = get_fuse_conn(dir);
- struct file *file;
struct dentry *res = NULL;
if (d_unhashed(entry)) {
res = fuse_lookup(dir, entry, NULL);
if (IS_ERR(res))
- return ERR_CAST(res);
+ return PTR_ERR(res);
if (res)
entry = res;
@@ -497,24 +498,22 @@ static struct file *fuse_atomic_open(struct inode *dir, struct dentry *entry,
if (fc->no_create)
goto mknod;
- file = fuse_create_open(dir, entry, od, flags, mode, opened);
- if (PTR_ERR(file) == -ENOSYS) {
+ err = fuse_create_open(dir, entry, od, flags, mode, opened);
+ if (err == -ENOSYS) {
fc->no_create = 1;
goto mknod;
}
out_dput:
dput(res);
- return file;
+ return err;
mknod:
err = fuse_mknod(dir, entry, mode, 0);
- if (err) {
- file = ERR_PTR(err);
+ if (err)
goto out_dput;
- }
no_open:
finish_no_open(od, res);
- return NULL;
+ return 1;
}
/*