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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-08-14 17:57:29 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-08-20 09:00:11 -0700 |
| commit | 268344664603706b6f156548f9d7482665222f87 (patch) | |
| tree | 3a461e1503184cd1a7e6b502e1a65b5b2d689df8 /fs/f2fs | |
| parent | 26d5859974bb817f7615be90199a8e82e3f0a0ed (diff) | |
| download | op-kernel-dev-268344664603706b6f156548f9d7482665222f87.zip op-kernel-dev-268344664603706b6f156548f9d7482665222f87.tar.gz | |
f2fs: reuse nids more aggressively
If we can reuse nids as many as possible, we can mitigate producing obsolete
node pages in the page cache.
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/node.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 6e10c2a..3cc32b8 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -306,6 +306,10 @@ static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni, if (nat_get_blkaddr(e) != NEW_ADDR && new_blkaddr == NULL_ADDR) { unsigned char version = nat_get_version(e); nat_set_version(e, inc_node_version(version)); + + /* in order to reuse the nid */ + if (nm_i->next_scan_nid > ni->nid) + nm_i->next_scan_nid = ni->nid; } /* change address */ |
