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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-09-15 21:07:13 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-09-23 20:10:14 +0200 |
| commit | 7ef35e3b9e7a99db4930b58b33a94455dbf53276 (patch) | |
| tree | 9db5d548974fca8bf89129e4ad4f304152b4ebc5 /fs/f2fs/node.c | |
| parent | f2fs: use meta_inode cache to improve roll-forward speed (diff) | |
| download | linux-7ef35e3b9e7a99db4930b58b33a94455dbf53276.tar.xz linux-7ef35e3b9e7a99db4930b58b33a94455dbf53276.zip | |
f2fs: introduce a flag to represent each nat entry information
This patch introduces a flag in the nat entry structure to merge various
information such as checkpointed and fsync_done marks.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index b32eb565e6b3..d19d6b18cd4e 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -131,7 +131,7 @@ int is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid) read_lock(&nm_i->nat_tree_lock); e = __lookup_nat_cache(nm_i, nid); - if (e && !e->checkpointed) + if (e && !get_nat_flag(e, IS_CHECKPOINTED)) is_cp = 0; read_unlock(&nm_i->nat_tree_lock); return is_cp; @@ -146,7 +146,7 @@ bool fsync_mark_done(struct f2fs_sb_info *sbi, nid_t nid) read_lock(&nm_i->nat_tree_lock); e = __lookup_nat_cache(nm_i, nid); if (e) - fsync_done = e->fsync_done; + fsync_done = get_nat_flag(e, HAS_FSYNC_MARK); read_unlock(&nm_i->nat_tree_lock); return fsync_done; } @@ -159,7 +159,7 @@ void fsync_mark_clear(struct f2fs_sb_info *sbi, nid_t nid) write_lock(&nm_i->nat_tree_lock); e = __lookup_nat_cache(nm_i, nid); if (e) - e->fsync_done = false; + set_nat_flag(e, HAS_FSYNC_MARK, false); write_unlock(&nm_i->nat_tree_lock); } @@ -176,7 +176,7 @@ static struct nat_entry *grab_nat_entry(struct f2fs_nm_info *nm_i, nid_t nid) } memset(new, 0, sizeof(struct nat_entry)); nat_set_nid(new, nid); - new->checkpointed = true; + set_nat_flag(new, IS_CHECKPOINTED, true); list_add_tail(&new->list, &nm_i->nat_entries); nm_i->nat_cnt++; return new; @@ -249,7 +249,7 @@ retry: /* update fsync_mark if its inode nat entry is still alive */ e = __lookup_nat_cache(nm_i, ni->ino); if (e) - e->fsync_done = fsync_done; + set_nat_flag(e, HAS_FSYNC_MARK, fsync_done); write_unlock(&nm_i->nat_tree_lock); } @@ -1349,7 +1349,8 @@ static int add_free_nid(struct f2fs_sb_info *sbi, nid_t nid, bool build) read_lock(&nm_i->nat_tree_lock); ne = __lookup_nat_cache(nm_i, nid); if (ne && - (!ne->checkpointed || nat_get_blkaddr(ne) != NULL_ADDR)) + (!get_nat_flag(ne, IS_CHECKPOINTED) || + nat_get_blkaddr(ne) != NULL_ADDR)) allocated = true; read_unlock(&nm_i->nat_tree_lock); if (allocated) |