UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

udf: Use udf_map_block() in udf_getblk() 

Use the new function udf_map_block() in udf_getblk().

Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara 2023-01-18 15:30:06 +01:00
parent 8094252178
commit 541e047b14
1 changed files with 8 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
fs/udf/inode.c
View File

@ -405,14 +405,15 @@ static struct buffer_head *udf_getblk(struct inode *inode, udf_pblk_t block,
int create, int *err)
{
struct buffer_head *bh;
struct buffer_head dummy;
struct udf_map_rq map = {
.lblk = block,
.iflags = UDF_MAP_NOPREALLOC | (create ? UDF_MAP_CREATE : 0),
};
dummy.b_state = 0;
dummy.b_blocknr = -1000;
*err = udf_get_block(inode, block, &dummy, create);
if (!*err && buffer_mapped(&dummy)) {
bh = sb_getblk(inode->i_sb, dummy.b_blocknr);
if (buffer_new(&dummy)) {
*err = udf_map_block(inode, &map);
if (!*err && map.oflags & UDF_BLK_MAPPED) {
bh = sb_getblk(inode->i_sb, map.pblk);
if (map.oflags & UDF_BLK_NEW) {
lock_buffer(bh);
memset(bh->b_data, 0x00, inode->i_sb->s_blocksize);
set_buffer_uptodate(bh);