aboutsummaryrefslogtreecommitdiff
path: root/fs/exofs/dir.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/exofs/dir.c')
-rw-r--r--fs/exofs/dir.c77
1 files changed, 37 insertions, 40 deletions
diff --git a/fs/exofs/dir.c b/fs/exofs/dir.c
index dcc941d82d6..49f51ab4caa 100644
--- a/fs/exofs/dir.c
+++ b/fs/exofs/dir.c
@@ -124,7 +124,7 @@ out:
Ebadsize:
EXOFS_ERR("ERROR [exofs_check_page]: "
- "size of directory #%lu is not a multiple of chunk size",
+ "size of directory(0x%lx) is not a multiple of chunk size\n",
dir->i_ino
);
goto fail;
@@ -142,8 +142,8 @@ Espan:
goto bad_entry;
bad_entry:
EXOFS_ERR(
- "ERROR [exofs_check_page]: bad entry in directory #%lu: %s - "
- "offset=%lu, inode=%llu, rec_len=%d, name_len=%d",
+ "ERROR [exofs_check_page]: bad entry in directory(0x%lx): %s - "
+ "offset=%lu, inode=0x%llu, rec_len=%d, name_len=%d\n",
dir->i_ino, error, (page->index<<PAGE_CACHE_SHIFT)+offs,
_LLU(le64_to_cpu(p->inode_no)),
rec_len, p->name_len);
@@ -151,8 +151,8 @@ bad_entry:
Eend:
p = (struct exofs_dir_entry *)(kaddr + offs);
EXOFS_ERR("ERROR [exofs_check_page]: "
- "entry in directory #%lu spans the page boundary"
- "offset=%lu, inode=%llu",
+ "entry in directory(0x%lx) spans the page boundary"
+ "offset=%lu, inode=0x%llx\n",
dir->i_ino, (page->index<<PAGE_CACHE_SHIFT)+offs,
_LLU(le64_to_cpu(p->inode_no)));
fail:
@@ -234,37 +234,33 @@ static unsigned char exofs_type_by_mode[S_IFMT >> S_SHIFT] = {
static inline
void exofs_set_de_type(struct exofs_dir_entry *de, struct inode *inode)
{
- mode_t mode = inode->i_mode;
+ umode_t mode = inode->i_mode;
de->file_type = exofs_type_by_mode[(mode & S_IFMT) >> S_SHIFT];
}
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 = filp->f_path.dentry->d_inode;
+ 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;
struct page *page = exofs_get_page(inode, n);
if (IS_ERR(page)) {
- EXOFS_ERR("ERROR: "
- "bad page in #%lu",
- inode->i_ino);
- filp->f_pos += PAGE_CACHE_SIZE - offset;
+ EXOFS_ERR("ERROR: bad page in directory(0x%lx)\n",
+ inode->i_ino);
+ ctx->pos += PAGE_CACHE_SIZE - offset;
return PTR_ERR(page);
}
kaddr = page_address(page);
@@ -272,9 +268,9 @@ exofs_readdir(struct file *filp, void *dirent, filldir_t filldir)
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);
@@ -283,32 +279,30 @@ exofs_readdir(struct file *filp, void *dirent, filldir_t filldir)
for (; (char *)de <= limit; de = exofs_next_entry(de)) {
if (de->rec_len == 0) {
EXOFS_ERR("ERROR: "
- "zero-length directory entry");
+ "zero-length entry in directory(0x%lx)\n",
+ inode->i_ino);
exofs_put_page(page);
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;
}
@@ -342,9 +336,9 @@ struct exofs_dir_entry *exofs_find_entry(struct inode *dir,
kaddr += exofs_last_byte(dir, n) - reclen;
while ((char *) de <= kaddr) {
if (de->rec_len == 0) {
- EXOFS_ERR(
- "ERROR: exofs_find_entry: "
- "zero-length directory entry");
+ EXOFS_ERR("ERROR: zero-length entry in "
+ "directory(0x%lx)\n",
+ dir->i_ino);
exofs_put_page(page);
goto out;
}
@@ -472,7 +466,8 @@ int exofs_add_link(struct dentry *dentry, struct inode *inode)
}
if (de->rec_len == 0) {
EXOFS_ERR("ERROR: exofs_add_link: "
- "zero-length directory entry");
+ "zero-length entry in directory(0x%lx)\n",
+ inode->i_ino);
err = -EIO;
goto out_unlock;
}
@@ -491,7 +486,8 @@ int exofs_add_link(struct dentry *dentry, struct inode *inode)
exofs_put_page(page);
}
- EXOFS_ERR("exofs_add_link: BAD dentry=%p or inode=%p", dentry, inode);
+ EXOFS_ERR("exofs_add_link: BAD dentry=%p or inode=0x%lx\n",
+ dentry, inode->i_ino);
return -EINVAL;
got_it:
@@ -542,7 +538,8 @@ int exofs_delete_entry(struct exofs_dir_entry *dir, struct page *page)
while (de < dir) {
if (de->rec_len == 0) {
EXOFS_ERR("ERROR: exofs_delete_entry:"
- "zero-length directory entry");
+ "zero-length entry in directory(0x%lx)\n",
+ inode->i_ino);
err = -EIO;
goto out;
}
@@ -594,7 +591,7 @@ int exofs_make_empty(struct inode *inode, struct inode *parent)
goto fail;
}
- kaddr = kmap_atomic(page, KM_USER0);
+ kaddr = kmap_atomic(page);
de = (struct exofs_dir_entry *)kaddr;
de->name_len = 1;
de->rec_len = cpu_to_le16(EXOFS_DIR_REC_LEN(1));
@@ -608,7 +605,7 @@ int exofs_make_empty(struct inode *inode, struct inode *parent)
de->inode_no = cpu_to_le64(parent->i_ino);
memcpy(de->name, PARENT_DIR, sizeof(PARENT_DIR));
exofs_set_de_type(de, inode);
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
err = exofs_commit_chunk(page, 0, chunk_size);
fail:
page_cache_release(page);
@@ -666,5 +663,5 @@ not_empty:
const struct file_operations exofs_dir_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
- .readdir = exofs_readdir,
+ .iterate = exofs_readdir,
};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 18:32:35 +0000