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authorAl Viro <viro@zeniv.linux.org.uk>2013-05-17 22:02:17 (GMT)
committerPawel Osmialowski <p.osmialowsk@mcdsrvbld02.digital.local>2015-03-27 13:37:38 (GMT)
commit0c81e56e1cf89449937dec8fa1ec372b547c8014 (patch)
tree858c04d3cbbe139243da2a683eab5d73dbb1982a
parent4210d5004c57f6482ec57d71368f49dcbd9a6754 (diff)
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convert f2fs
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/cramfs/inode.c21
-rw-r--r--fs/f2fs/dir.c36
2 files changed, 22 insertions, 35 deletions
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index 35b1c7b..e501ac3 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -349,18 +349,17 @@ static int cramfs_statfs(struct dentry *dentry, struct kstatfs *buf)
/*
* Read a cramfs directory entry.
*/
-static int cramfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
+static int cramfs_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;
char *buf;
unsigned int offset;
- int copied;
/* Offset within the thing. */
- offset = filp->f_pos;
- if (offset >= inode->i_size)
+ if (ctx->pos >= inode->i_size)
return 0;
+ offset = ctx->pos;
/* Directory entries are always 4-byte aligned */
if (offset & 3)
return -EINVAL;
@@ -369,14 +368,13 @@ static int cramfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
if (!buf)
return -ENOMEM;
- copied = 0;
while (offset < inode->i_size) {
struct cramfs_inode *de;
unsigned long nextoffset;
char *name;
ino_t ino;
umode_t mode;
- int namelen, error;
+ int namelen;
mutex_lock(&read_mutex);
de = cramfs_read(sb, OFFSET(inode) + offset, sizeof(*de)+CRAMFS_MAXPATHLEN);
@@ -402,13 +400,10 @@ static int cramfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
break;
namelen--;
}
- error = filldir(dirent, buf, namelen, offset, ino, mode >> 12);
- if (error)
+ if (!dir_emit(ctx, buf, namelen, ino, mode >> 12))
break;
- offset = nextoffset;
- filp->f_pos = offset;
- copied++;
+ ctx->pos = offset = nextoffset;
}
kfree(buf);
return 0;
@@ -547,7 +542,7 @@ static const struct address_space_operations cramfs_aops = {
static const struct file_operations cramfs_directory_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
- .readdir = cramfs_readdir,
+ .iterate = cramfs_readdir,
};
static const struct inode_operations cramfs_dir_inode_operations = {
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index ecf0fde..93484a7 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -623,24 +623,19 @@ bool f2fs_empty_dir(struct inode *dir)
return true;
}
-static int f2fs_readdir(struct file *file, void *dirent, filldir_t filldir)
+static int f2fs_readdir(struct file *file, struct dir_context *ctx)
{
- unsigned long pos = file->f_pos;
struct inode *inode = file_inode(file);
unsigned long npages = dir_blocks(inode);
- unsigned char *types = NULL;
unsigned int bit_pos = 0, start_bit_pos = 0;
- int over = 0;
struct f2fs_dentry_block *dentry_blk = NULL;
struct f2fs_dir_entry *de = NULL;
struct page *dentry_page = NULL;
- unsigned int n = 0;
+ unsigned int n = ((unsigned long)ctx->pos / NR_DENTRY_IN_BLOCK);
unsigned char d_type = DT_UNKNOWN;
int slots;
- types = f2fs_filetype_table;
- bit_pos = (pos % NR_DENTRY_IN_BLOCK);
- n = (pos / NR_DENTRY_IN_BLOCK);
+ bit_pos = ((unsigned long)ctx->pos % NR_DENTRY_IN_BLOCK);
for ( ; n < npages; n++) {
dentry_page = get_lock_data_page(inode, n);
@@ -650,31 +645,28 @@ static int f2fs_readdir(struct file *file, void *dirent, filldir_t filldir)
start_bit_pos = bit_pos;
dentry_blk = kmap(dentry_page);
while (bit_pos < NR_DENTRY_IN_BLOCK) {
- d_type = DT_UNKNOWN;
bit_pos = find_next_bit_le(&dentry_blk->dentry_bitmap,
NR_DENTRY_IN_BLOCK,
bit_pos);
if (bit_pos >= NR_DENTRY_IN_BLOCK)
break;
+ ctx->pos += bit_pos - start_bit_pos;
de = &dentry_blk->dentry[bit_pos];
- if (types && de->file_type < F2FS_FT_MAX)
- d_type = types[de->file_type];
-
- over = filldir(dirent,
- dentry_blk->filename[bit_pos],
- le16_to_cpu(de->name_len),
- (n * NR_DENTRY_IN_BLOCK) + bit_pos,
- le32_to_cpu(de->ino), d_type);
- if (over) {
- file->f_pos += bit_pos - start_bit_pos;
+ if (de->file_type < F2FS_FT_MAX)
+ d_type = f2fs_filetype_table[de->file_type];
+ else
+ d_type = DT_UNKNOWN;
+ if (!dir_emit(ctx,
+ dentry_blk->filename[bit_pos],
+ le16_to_cpu(de->name_len),
+ le32_to_cpu(de->ino), d_type))
goto success;
- }
slots = GET_DENTRY_SLOTS(le16_to_cpu(de->name_len));
bit_pos += slots;
}
bit_pos = 0;
- file->f_pos = (n + 1) * NR_DENTRY_IN_BLOCK;
+ ctx->pos = (n + 1) * NR_DENTRY_IN_BLOCK;
kunmap(dentry_page);
f2fs_put_page(dentry_page, 1);
dentry_page = NULL;
@@ -691,7 +683,7 @@ success:
const struct file_operations f2fs_dir_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
- .readdir = f2fs_readdir,
+ .iterate = f2fs_readdir,
.fsync = f2fs_sync_file,
.unlocked_ioctl = f2fs_ioctl,
};