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exfat: reuse exfat_find_location() to simplify exfat_get_dentry_set()

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In exfat_get_dentry_set(), part of the code is the same as
exfat_find_location(), reuse exfat_find_location() to simplify
exfat_get_dentry_set().

Code refinement, no functional changes.

Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
This commit is contained in:
Yuezhang Mo 2022-11-17 11:31:30 +08:00 • committed by Namjae Jeon
parent 40306b4d1b
commit 36955d368d
1 changed files with 4 additions and 13 deletions
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17
fs/exfat/dir.c
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@ -818,7 +818,7 @@ int exfat_get_dentry_set(struct exfat_entry_set_cache *es,
unsigned int type)
{
int ret, i, num_bh;
unsigned int off, byte_offset, clu = 0;
unsigned int off;
sector_t sec;
struct exfat_sb_info *sbi = EXFAT_SB(sb);
struct exfat_dentry *ep;
@ -831,27 +831,16 @@ int exfat_get_dentry_set(struct exfat_entry_set_cache *es,
return -EIO;
}
byte_offset = EXFAT_DEN_TO_B(entry);
ret = exfat_walk_fat_chain(sb, p_dir, byte_offset, &clu);
ret = exfat_find_location(sb, p_dir, entry, &sec, &off);
if (ret)
return ret;
memset(es, 0, sizeof(*es));
es->sb = sb;
es->modified = false;
/* byte offset in cluster */
byte_offset = EXFAT_CLU_OFFSET(byte_offset, sbi);
/* byte offset in sector */
off = EXFAT_BLK_OFFSET(byte_offset, sb);
es->start_off = off;
es->bh = es->__bh;
/* sector offset in cluster */
sec = EXFAT_B_TO_BLK(byte_offset, sb);
sec += exfat_cluster_to_sector(sbi, clu);
bh = sb_bread(sb, sec);
if (!bh)
return -EIO;
@ -878,6 +867,8 @@ int exfat_get_dentry_set(struct exfat_entry_set_cache *es,
for (i = 1; i < num_bh; i++) {
/* get the next sector */
if (exfat_is_last_sector_in_cluster(sbi, sec)) {
unsigned int clu = exfat_sector_to_cluster(sbi, sec);
if (p_dir->flags == ALLOC_NO_FAT_CHAIN)
clu++;
else if (exfat_get_next_cluster(sb, &clu))