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[readdir] convert befs

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-05-22 13:44:05 -04:00
parent be4ccdcc25
commit f0f49ef5ce
1 changed files with 22 additions and 18 deletions
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40
fs/befs/linuxvfs.c
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@ -31,7 +31,7 @@ MODULE_LICENSE("GPL");
/* The units the vfs expects inode->i_blocks to be in */
#define VFS_BLOCK_SIZE 512
static int befs_readdir(struct file *, void *, filldir_t);
static int befs_readdir(struct file *, struct dir_context *);
static int befs_get_block(struct inode *, sector_t, struct buffer_head *, int);
static int befs_readpage(struct file *file, struct page *page);
static sector_t befs_bmap(struct address_space *mapping, sector_t block);
@ -66,7 +66,7 @@ static struct kmem_cache *befs_inode_cachep;
static const struct file_operations befs_dir_operations = {
.read = generic_read_dir,
.readdir = befs_readdir,
.iterate = befs_readdir,
.llseek = generic_file_llseek,
};
@ -211,9 +211,9 @@ befs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
}
static int
befs_readdir(struct file *filp, void *dirent, filldir_t filldir)
befs_readdir(struct file *file, struct dir_context *ctx)
{
struct inode *inode = file_inode(filp);
struct inode *inode = file_inode(file);
struct super_block *sb = inode->i_sb;
befs_data_stream *ds = &BEFS_I(inode)->i_data.ds;
befs_off_t value;
@ -221,15 +221,14 @@ befs_readdir(struct file *filp, void *dirent, filldir_t filldir)
size_t keysize;
unsigned char d_type;
char keybuf[BEFS_NAME_LEN + 1];
char *nlsname;
int nlsnamelen;
const char *dirname = filp->f_path.dentry->d_name.name;
const char *dirname = file->f_path.dentry->d_name.name;
befs_debug(sb, "---> befs_readdir() "
"name %s, inode %ld, filp->f_pos %Ld",
dirname, inode->i_ino, filp->f_pos);
"name %s, inode %ld, ctx->pos %Ld",
dirname, inode->i_ino, ctx->pos);
result = befs_btree_read(sb, ds, filp->f_pos, BEFS_NAME_LEN + 1,
more:
result = befs_btree_read(sb, ds, ctx->pos, BEFS_NAME_LEN + 1,
keybuf, &keysize, &value);
if (result == BEFS_ERR) {
@ -251,24 +250,29 @@ befs_readdir(struct file *filp, void *dirent, filldir_t filldir)
/* Convert to NLS */
if (BEFS_SB(sb)->nls) {
char *nlsname;
int nlsnamelen;
result =
befs_utf2nls(sb, keybuf, keysize, &nlsname, &nlsnamelen);
if (result < 0) {
befs_debug(sb, "<--- befs_readdir() ERROR");
return result;
}
result = filldir(dirent, nlsname, nlsnamelen, filp->f_pos,
(ino_t) value, d_type);
if (!dir_emit(ctx, nlsname, nlsnamelen,
(ino_t) value, d_type)) {
kfree(nlsname);
return 0;
}
kfree(nlsname);
} else {
result = filldir(dirent, keybuf, keysize, filp->f_pos,
(ino_t) value, d_type);
if (!dir_emit(ctx, keybuf, keysize,
(ino_t) value, d_type))
return 0;
}
if (!result)
filp->f_pos++;
ctx->pos++;
goto more;
befs_debug(sb, "<--- befs_readdir() filp->f_pos %Ld", filp->f_pos);
befs_debug(sb, "<--- befs_readdir() pos %Ld", ctx->pos);
return 0;
}