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Diffstat (limited to 'fs/adfs/dir.c')
-rw-r--r--fs/adfs/dir.c60
1 files changed, 24 insertions, 36 deletions
diff --git a/fs/adfs/dir.c b/fs/adfs/dir.c
index f4287e4de74..0d138c0de29 100644
--- a/fs/adfs/dir.c
+++ b/fs/adfs/dir.c
@@ -9,7 +9,6 @@
*
* Common directory handling for ADFS
*/
-#include <linux/smp_lock.h>
#include "adfs.h"
/*
@@ -18,49 +17,43 @@
static DEFINE_RWLOCK(adfs_dir_lock);
static int
-adfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
+adfs_readdir(struct file *file, struct dir_context *ctx)
{
- struct inode *inode = filp->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
struct super_block *sb = inode->i_sb;
struct adfs_dir_ops *ops = ADFS_SB(sb)->s_dir;
struct object_info obj;
struct adfs_dir dir;
int ret = 0;
- lock_kernel();
-
- if (filp->f_pos >> 32)
- goto out;
+ if (ctx->pos >> 32)
+ return 0;
ret = ops->read(sb, inode->i_ino, inode->i_size, &dir);
if (ret)
- goto out;
+ return ret;
- switch ((unsigned long)filp->f_pos) {
- case 0:
- if (filldir(dirent, ".", 1, 0, inode->i_ino, DT_DIR) < 0)
+ if (ctx->pos == 0) {
+ if (!dir_emit_dot(file, ctx))
goto free_out;
- filp->f_pos += 1;
-
- case 1:
- if (filldir(dirent, "..", 2, 1, dir.parent_id, DT_DIR) < 0)
+ ctx->pos = 1;
+ }
+ if (ctx->pos == 1) {
+ if (!dir_emit(ctx, "..", 2, dir.parent_id, DT_DIR))
goto free_out;
- filp->f_pos += 1;
-
- default:
- break;
+ ctx->pos = 2;
}
read_lock(&adfs_dir_lock);
- ret = ops->setpos(&dir, filp->f_pos - 2);
+ ret = ops->setpos(&dir, ctx->pos - 2);
if (ret)
goto unlock_out;
while (ops->getnext(&dir, &obj) == 0) {
- if (filldir(dirent, obj.name, obj.name_len,
- filp->f_pos, obj.file_id, DT_UNKNOWN) < 0)
- goto unlock_out;
- filp->f_pos += 1;
+ if (!dir_emit(ctx, obj.name, obj.name_len,
+ obj.file_id, DT_UNKNOWN))
+ break;
+ ctx->pos++;
}
unlock_out:
@@ -68,9 +61,6 @@ unlock_out:
free_out:
ops->free(&dir);
-
-out:
- unlock_kernel();
return ret;
}
@@ -196,12 +186,12 @@ out:
const struct file_operations adfs_dir_operations = {
.read = generic_read_dir,
.llseek = generic_file_llseek,
- .readdir = adfs_readdir,
+ .iterate = adfs_readdir,
.fsync = generic_file_fsync,
};
static int
-adfs_hash(struct dentry *parent, struct qstr *qstr)
+adfs_hash(const struct dentry *parent, struct qstr *qstr)
{
const unsigned int name_len = ADFS_SB(parent->d_sb)->s_namelen;
const unsigned char *name;
@@ -237,17 +227,18 @@ adfs_hash(struct dentry *parent, struct qstr *qstr)
* requirements of the underlying filesystem.
*/
static int
-adfs_compare(struct dentry *parent, struct qstr *entry, struct qstr *name)
+adfs_compare(const struct dentry *parent, const struct dentry *dentry,
+ unsigned int len, const char *str, const struct qstr *name)
{
int i;
- if (entry->len != name->len)
+ if (len != name->len)
return 1;
for (i = 0; i < name->len; i++) {
char a, b;
- a = entry->name[i];
+ a = str[i];
b = name->name[i];
if (a >= 'A' && a <= 'Z')
@@ -267,14 +258,12 @@ const struct dentry_operations adfs_dentry_operations = {
};
static struct dentry *
-adfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
+adfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
{
struct inode *inode = NULL;
struct object_info obj;
int error;
- dentry->d_op = &adfs_dentry_operations;
- lock_kernel();
error = adfs_dir_lookup_byname(dir, &dentry->d_name, &obj);
if (error == 0) {
error = -EACCES;
@@ -286,7 +275,6 @@ adfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
if (inode)
error = 0;
}
- unlock_kernel();
d_add(dentry, inode);
return ERR_PTR(error);
}