[readdir] convert exofs
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/exofs/dir.c b/fs/exofs/dir.c
index 4637589..49f51ab 100644
--- a/fs/exofs/dir.c
+++ b/fs/exofs/dir.c
@@ -239,22 +239,19 @@
}
static int
-exofs_readdir(struct file *filp, void *dirent, filldir_t filldir)
+exofs_readdir(struct file *file, struct dir_context *ctx)
{
- loff_t pos = filp->f_pos;
- struct inode *inode = file_inode(filp);
+ loff_t pos = ctx->pos;
+ struct inode *inode = file_inode(file);
unsigned int offset = pos & ~PAGE_CACHE_MASK;
unsigned long n = pos >> PAGE_CACHE_SHIFT;
unsigned long npages = dir_pages(inode);
unsigned chunk_mask = ~(exofs_chunk_size(inode)-1);
- unsigned char *types = NULL;
- int need_revalidate = (filp->f_version != inode->i_version);
+ int need_revalidate = (file->f_version != inode->i_version);
if (pos > inode->i_size - EXOFS_DIR_REC_LEN(1))
return 0;
- types = exofs_filetype_table;
-
for ( ; n < npages; n++, offset = 0) {
char *kaddr, *limit;
struct exofs_dir_entry *de;
@@ -263,7 +260,7 @@
if (IS_ERR(page)) {
EXOFS_ERR("ERROR: bad page in directory(0x%lx)\n",
inode->i_ino);
- filp->f_pos += PAGE_CACHE_SIZE - offset;
+ ctx->pos += PAGE_CACHE_SIZE - offset;
return PTR_ERR(page);
}
kaddr = page_address(page);
@@ -271,9 +268,9 @@
if (offset) {
offset = exofs_validate_entry(kaddr, offset,
chunk_mask);
- filp->f_pos = (n<<PAGE_CACHE_SHIFT) + offset;
+ ctx->pos = (n<<PAGE_CACHE_SHIFT) + offset;
}
- filp->f_version = inode->i_version;
+ file->f_version = inode->i_version;
need_revalidate = 0;
}
de = (struct exofs_dir_entry *)(kaddr + offset);
@@ -288,27 +285,24 @@
return -EIO;
}
if (de->inode_no) {
- int over;
- unsigned char d_type = DT_UNKNOWN;
+ unsigned char t;
- if (types && de->file_type < EXOFS_FT_MAX)
- d_type = types[de->file_type];
+ if (de->file_type < EXOFS_FT_MAX)
+ t = exofs_filetype_table[de->file_type];
+ else
+ t = DT_UNKNOWN;
- offset = (char *)de - kaddr;
- over = filldir(dirent, de->name, de->name_len,
- (n<<PAGE_CACHE_SHIFT) | offset,
+ if (!dir_emit(ctx, de->name, de->name_len,
le64_to_cpu(de->inode_no),
- d_type);
- if (over) {
+ t)) {
exofs_put_page(page);
return 0;
}
}
- filp->f_pos += le16_to_cpu(de->rec_len);
+ ctx->pos += le16_to_cpu(de->rec_len);
}
exofs_put_page(page);
}
-
return 0;
}
@@ -669,5 +663,5 @@
const struct file_operations exofs_dir_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
- .readdir = exofs_readdir,
+ .iterate = exofs_readdir,
};