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authorAl Viro <viro@zeniv.linux.org.uk>2013-05-22 21:23:40 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-06-29 12:57:04 +0400
commit2de5f059c4422e357b7df021b487a37b1d61356b (patch)
tree2cb4cc8544d9d80fd8b14e14814c984966cbadd7 /fs/ecryptfs
parente924f251264bec0b73c32f15ed27a7fbb9912beb (diff)
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[readdir] convert ecryptfs
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ecryptfs')
-rw-r--r--fs/ecryptfs/file.c35
1 files changed, 15 insertions, 20 deletions
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index 041379a646b3..9aa05e08060b 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -69,9 +69,8 @@ static ssize_t ecryptfs_read_update_atime(struct kiocb *iocb,
struct ecryptfs_getdents_callback {
struct dir_context ctx;
- void *dirent;
+ struct dir_context *caller;
struct dentry *dentry;
- filldir_t filldir;
int filldir_called;
int entries_written;
};
@@ -97,9 +96,10 @@ ecryptfs_filldir(void *dirent, const char *lower_name, int lower_namelen,
rc);
goto out;
}
- rc = buf->filldir(buf->dirent, name, name_size, offset, ino, d_type);
+ buf->caller->pos = buf->ctx.pos;
+ rc = !dir_emit(buf->caller, name, name_size, ino, d_type);
kfree(name);
- if (rc >= 0)
+ if (!rc)
buf->entries_written++;
out:
return rc;
@@ -108,28 +108,23 @@ out:
/**
* ecryptfs_readdir
* @file: The eCryptfs directory file
- * @dirent: Directory entry handle
- * @filldir: The filldir callback function
+ * @ctx: The actor to feed the entries to
*/
-static int ecryptfs_readdir(struct file *file, void *dirent, filldir_t filldir)
+static int ecryptfs_readdir(struct file *file, struct dir_context *ctx)
{
int rc;
struct file *lower_file;
struct inode *inode;
- struct ecryptfs_getdents_callback buf;
-
+ struct ecryptfs_getdents_callback buf = {
+ .ctx.actor = ecryptfs_filldir,
+ .caller = ctx,
+ .dentry = file->f_path.dentry
+ };
lower_file = ecryptfs_file_to_lower(file);
- lower_file->f_pos = file->f_pos;
+ lower_file->f_pos = ctx->pos;
inode = file_inode(file);
- memset(&buf, 0, sizeof(buf));
- buf.dirent = dirent;
- buf.dentry = file->f_path.dentry;
- buf.filldir = filldir;
- buf.filldir_called = 0;
- buf.entries_written = 0;
- buf.ctx.actor = ecryptfs_filldir;
rc = iterate_dir(lower_file, &buf.ctx);
- file->f_pos = lower_file->f_pos;
+ ctx->pos = buf.ctx.pos;
if (rc < 0)
goto out;
if (buf.filldir_called && !buf.entries_written)
@@ -346,7 +341,7 @@ ecryptfs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
#endif
const struct file_operations ecryptfs_dir_fops = {
- .readdir = ecryptfs_readdir,
+ .iterate = ecryptfs_readdir,
.read = generic_read_dir,
.unlocked_ioctl = ecryptfs_unlocked_ioctl,
#ifdef CONFIG_COMPAT
@@ -367,7 +362,7 @@ const struct file_operations ecryptfs_main_fops = {
.aio_read = ecryptfs_read_update_atime,
.write = do_sync_write,
.aio_write = generic_file_aio_write,
- .readdir = ecryptfs_readdir,
+ .iterate = ecryptfs_readdir,
.unlocked_ioctl = ecryptfs_unlocked_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = ecryptfs_compat_ioctl,
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