diff options
Diffstat (limited to 'fs/exfat/namei.c')
| -rw-r--r-- | fs/exfat/namei.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c index d9e8ec689c55..24b41103d1cc 100644 --- a/fs/exfat/namei.c +++ b/fs/exfat/namei.c @@ -340,7 +340,7 @@ static int exfat_find_empty_entry(struct inode *inode, exfat_chain_set(&clu, last_clu + 1, 0, p_dir->flags); /* allocate a cluster */ - ret = exfat_alloc_cluster(inode, 1, &clu); + ret = exfat_alloc_cluster(inode, 1, &clu, IS_DIRSYNC(inode)); if (ret) return ret; @@ -596,6 +596,8 @@ static int exfat_find(struct inode *dir, struct qstr *qname, struct exfat_inode_info *ei = EXFAT_I(dir); struct exfat_dentry *ep, *ep2; struct exfat_entry_set_cache *es; + /* for optimized dir & entry to prevent long traverse of cluster chain */ + struct exfat_hint hint_opt; if (qname->len == 0) return -ENOENT; @@ -619,7 +621,7 @@ static int exfat_find(struct inode *dir, struct qstr *qname, /* search the file name for directories */ dentry = exfat_find_dir_entry(sb, ei, &cdir, &uni_name, - num_entries, TYPE_ALL); + num_entries, TYPE_ALL, &hint_opt); if (dentry < 0) return dentry; /* -error value */ @@ -628,6 +630,11 @@ static int exfat_find(struct inode *dir, struct qstr *qname, info->entry = dentry; info->num_subdirs = 0; + /* adjust cdir to the optimized value */ + cdir.dir = hint_opt.clu; + if (cdir.flags & ALLOC_NO_FAT_CHAIN) + cdir.size -= dentry / sbi->dentries_per_clu; + dentry = hint_opt.eidx; es = exfat_get_dentry_set(sb, &cdir, dentry, ES_2_ENTRIES); if (!es) return -EIO; |