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authorAl Viro <viro@zeniv.linux.org.uk>2018-07-11 14:19:04 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2018-07-12 10:02:57 -0400
commitc9c554f21490bbc96cc554f80024d27d09670480 (patch)
treef680bcb2253cf658a7a925d0eb20f2dff71c1f1f /fs
parent6b4e8085c0004382b985a5c005c685073630e746 (diff)
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alloc_file(): switch to passing O_... flags instead of FMODE_... mode
... so that it could set both ->f_flags and ->f_mode, without callers having to set ->f_flags manually. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
-rw-r--r--fs/aio.c8
-rw-r--r--fs/anon_inodes.c3
-rw-r--r--fs/file_table.c17
-rw-r--r--fs/hugetlbfs/inode.c3
-rw-r--r--fs/pipe.c8
5 files changed, 17 insertions, 22 deletions
diff --git a/fs/aio.c b/fs/aio.c
index e1d20124ec0e..9eea53887d6c 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -234,13 +234,9 @@ static struct file *aio_private_file(struct kioctx *ctx, loff_t nr_pages)
path.mnt = mntget(aio_mnt);
d_instantiate(path.dentry, inode);
- file = alloc_file(&path, FMODE_READ | FMODE_WRITE, &aio_ring_fops);
- if (IS_ERR(file)) {
+ file = alloc_file(&path, O_RDWR, &aio_ring_fops);
+ if (IS_ERR(file))
path_put(&path);
- return file;
- }
-
- file->f_flags = O_RDWR;
return file;
}
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 3168ee4e77f4..6b235ab1df6c 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -102,12 +102,11 @@ struct file *anon_inode_getfile(const char *name,
d_instantiate(path.dentry, anon_inode_inode);
- file = alloc_file(&path, OPEN_FMODE(flags), fops);
+ file = alloc_file(&path, flags & (O_ACCMODE | O_NONBLOCK), fops);
if (IS_ERR(file))
goto err_dput;
file->f_mapping = anon_inode_inode->i_mapping;
- file->f_flags = flags & (O_ACCMODE | O_NONBLOCK);
file->private_data = priv;
return file;
diff --git a/fs/file_table.c b/fs/file_table.c
index eee7cf629e52..086c3f5ec31a 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -153,10 +153,10 @@ over:
* alloc_file - allocate and initialize a 'struct file'
*
* @path: the (dentry, vfsmount) pair for the new file
- * @mode: the mode with which the new file will be opened
+ * @flags: O_... flags with which the new file will be opened
* @fop: the 'struct file_operations' for the new file
*/
-struct file *alloc_file(const struct path *path, fmode_t mode,
+struct file *alloc_file(const struct path *path, int flags,
const struct file_operations *fop)
{
struct file *file;
@@ -165,19 +165,20 @@ struct file *alloc_file(const struct path *path, fmode_t mode,
if (IS_ERR(file))
return file;
+ file->f_mode = OPEN_FMODE(flags);
+ file->f_flags = flags;
file->f_path = *path;
file->f_inode = path->dentry->d_inode;
file->f_mapping = path->dentry->d_inode->i_mapping;
file->f_wb_err = filemap_sample_wb_err(file->f_mapping);
- if ((mode & FMODE_READ) &&
+ if ((file->f_mode & FMODE_READ) &&
likely(fop->read || fop->read_iter))
- mode |= FMODE_CAN_READ;
- if ((mode & FMODE_WRITE) &&
+ file->f_mode |= FMODE_CAN_READ;
+ if ((file->f_mode & FMODE_WRITE) &&
likely(fop->write || fop->write_iter))
- mode |= FMODE_CAN_WRITE;
- file->f_mode = mode;
+ file->f_mode |= FMODE_CAN_WRITE;
file->f_op = fop;
- if ((mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ)
+ if ((file->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ)
i_readcount_inc(path->dentry->d_inode);
return file;
}
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index d508c7844681..71aed47422e2 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -1375,8 +1375,7 @@ struct file *hugetlb_file_setup(const char *name, size_t size,
inode->i_size = size;
clear_nlink(inode);
- file = alloc_file(&path, FMODE_WRITE | FMODE_READ,
- &hugetlbfs_file_operations);
+ file = alloc_file(&path, O_RDWR, &hugetlbfs_file_operations);
if (IS_ERR(file))
goto out_dentry; /* inode is already attached */
diff --git a/fs/pipe.c b/fs/pipe.c
index 9405e455f5b1..1909422e5a78 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -760,16 +760,17 @@ int create_pipe_files(struct file **res, int flags)
d_instantiate(path.dentry, inode);
- f = alloc_file(&path, FMODE_WRITE, &pipefifo_fops);
+ f = alloc_file(&path, O_WRONLY | (flags & (O_NONBLOCK | O_DIRECT)),
+ &pipefifo_fops);
if (IS_ERR(f)) {
err = PTR_ERR(f);
goto err_dentry;
}
- f->f_flags = O_WRONLY | (flags & (O_NONBLOCK | O_DIRECT));
f->private_data = inode->i_pipe;
- res[0] = alloc_file(&path, FMODE_READ, &pipefifo_fops);
+ res[0] = alloc_file(&path, O_RDONLY | (flags & O_NONBLOCK),
+ &pipefifo_fops);
if (IS_ERR(res[0])) {
put_pipe_info(inode, inode->i_pipe);
fput(f);
@@ -778,7 +779,6 @@ int create_pipe_files(struct file **res, int flags)
path_get(&path);
res[0]->private_data = inode->i_pipe;
- res[0]->f_flags = O_RDONLY | (flags & O_NONBLOCK);
res[1] = f;
return 0;