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[readdir] ->readdir() is gone 

everything's converted to ->iterate()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-05-22 21:44:23 -04:00
parent 2de5f059c4
commit 2233f31aad
7 changed files with 13 additions and 16 deletions
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2
Documentation/filesystems/Locking
View File

@ -414,7 +414,7 @@ prototypes:
ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
int (*readdir) (struct file *, void *, filldir_t);
int (*iterate) (struct file *, struct dir_context *);
unsigned int (*poll) (struct file *, struct poll_table_struct *);
long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
long (*compat_ioctl) (struct file *, unsigned int, unsigned long);

3
Documentation/filesystems/porting
View File

@ -448,3 +448,6 @@ in your dentry operations instead.
--
[mandatory]
vfs_readdir() is gone; switch to iterate_dir() instead
--
[mandatory]
->readdir() is gone now; switch to ->iterate()

4
Documentation/filesystems/vfs.txt
View File

@ -777,7 +777,7 @@ struct file_operations {
ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
int (*readdir) (struct file *, void *, filldir_t);
int (*iterate) (struct file *, struct dir_context *);
unsigned int (*poll) (struct file *, struct poll_table_struct *);
long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
@ -815,7 +815,7 @@ otherwise noted.
aio_write: called by io_submit(2) and other asynchronous I/O operations
readdir: called when the VFS needs to read the directory contents
iterate: called when the VFS needs to read the directory contents
poll: called by the VFS when a process wants to check if there is
activity on this file and (optionally) go to sleep until there

4
fs/bad_inode.c
View File

@ -45,7 +45,7 @@ static ssize_t bad_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
return -EIO;
}
static int bad_file_readdir(struct file *filp, void *dirent, filldir_t filldir)
static int bad_file_readdir(struct file *file, struct dir_context *ctx)
{
return -EIO;
}
@ -152,7 +152,7 @@ static const struct file_operations bad_file_ops =
.write = bad_file_write,
.aio_read = bad_file_aio_read,
.aio_write = bad_file_aio_write,
.readdir = bad_file_readdir,
.iterate = bad_file_readdir,
.poll = bad_file_poll,
.unlocked_ioctl = bad_file_unlocked_ioctl,
.compat_ioctl = bad_file_compat_ioctl,

2
fs/exportfs/expfs.c
View File

@ -272,7 +272,7 @@ static int get_name(const struct path *path, char *name, struct dentry *child)
goto out;
error = -EINVAL;
if (!file->f_op->readdir && !file->f_op->iterate)
if (!file->f_op->iterate)
goto out_close;
buffer.name = name;

13
fs/readdir.c
View File

@ -24,7 +24,7 @@ int iterate_dir(struct file *file, struct dir_context *ctx)
{
struct inode *inode = file_inode(file);
int res = -ENOTDIR;
if (!file->f_op || (!file->f_op->readdir && !file->f_op->iterate))
if (!file->f_op || !file->f_op->iterate)
goto out;
res = security_file_permission(file, MAY_READ);
@ -37,14 +37,9 @@ int iterate_dir(struct file *file, struct dir_context *ctx)
res = -ENOENT;
if (!IS_DEADDIR(inode)) {
if (file->f_op->iterate) {
ctx->pos = file->f_pos;
res = file->f_op->iterate(file, ctx);
file->f_pos = ctx->pos;
} else {
res = file->f_op->readdir(file, ctx, ctx->actor);
ctx->pos = file->f_pos;
}
ctx->pos = file->f_pos;
res = file->f_op->iterate(file, ctx);
file->f_pos = ctx->pos;
file_accessed(file);
}
mutex_unlock(&inode->i_mutex);

1
include/linux/fs.h
View File

@ -1526,7 +1526,6 @@ struct file_operations {
ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
int (*readdir) (struct file *, void *, filldir_t);
int (*iterate) (struct file *, struct dir_context *);
unsigned int (*poll) (struct file *, struct poll_table_struct *);
long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);