tmakin/tegra-linux-noble
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

f2fs: obsolete ALLOC_NID_LIST list

Browse Source 
As Fan Li reported, there is no user traversing nid_list[ALLOC_NID_LIST]
which is used for tracking preallocated nids. Let's drop it, and only
track preallocated nids in free_nid_root radix-tree.

Reported-by: Fan Li <fanofcode.li@samsung.com>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
2017-09-29 13:59:35 +08:00
committed by Jaegeuk Kim
parent 71ad682c1c
commit 9a4ffdf558
5 changed files with 64 additions and 73 deletions
Download Patch File Download Diff File Expand all files Collapse all files
fs/f2fs/node.h
+3 -12
View File
@@ -150,18 +150,10 @@ struct nat_entry_set {
unsigned int entry_cnt; /* the # of nat entries in set */
};
/*
* For free nid mangement
*/
enum nid_state {
NID_NEW, /* newly added to free nid list */
NID_ALLOC /* it is allocated */
};
struct free_nid {
struct list_head list; /* for free node id list */
nid_t nid; /* node id */
int state; /* in use or not: NID_NEW or NID_ALLOC */
int state; /* in use or not: FREE_NID or PREALLOC_NID */
};
static inline void next_free_nid(struct f2fs_sb_info *sbi, nid_t *nid)
@@ -170,12 +162,11 @@ static inline void next_free_nid(struct f2fs_sb_info *sbi, nid_t *nid)
struct free_nid *fnid;
spin_lock(&nm_i->nid_list_lock);
if (nm_i->nid_cnt[FREE_NID_LIST] <= 0) {
if (nm_i->nid_cnt[FREE_NID] <= 0) {
spin_unlock(&nm_i->nid_list_lock);
return;
}
fnid = list_first_entry(&nm_i->nid_list[FREE_NID_LIST],
struct free_nid, list);
fnid = list_first_entry(&nm_i->free_nid_list, struct free_nid, list);
*nid = fnid->nid;
spin_unlock(&nm_i->nid_list_lock);
}