diff options
author | Jaegeuk Kim <jaegeuk@kernel.org> | 2019-10-18 10:06:40 -0700 |
---|---|---|
committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2019-11-07 10:40:59 -0800 |
commit | f5a53edcf01eae21dc3ef1845515229e8459e5cc (patch) | |
tree | bd7e880c73aad8ae2afb9105c226902632399593 /fs/f2fs/f2fs.h | |
parent | bc005a4d5347da68e690f78d365d8927c87dc85a (diff) |
f2fs: support aligned pinned file
This patch supports 2MB-aligned pinned file, which can guarantee no GC at all
by allocating fully valid 2MB segment.
Check free segments by has_not_enough_free_secs() with large budget.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
-rw-r--r-- | fs/f2fs/f2fs.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index ca342f4c7db1..c681f51e351b 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -890,6 +890,7 @@ enum { CURSEG_WARM_NODE, /* direct node blocks of normal files */ CURSEG_COLD_NODE, /* indirect node blocks */ NO_CHECK_TYPE, + CURSEG_COLD_DATA_PINNED,/* cold data for pinned file */ }; struct flush_cmd { @@ -1301,6 +1302,7 @@ struct f2fs_sb_info { /* threshold for gc trials on pinned files */ u64 gc_pin_file_threshold; + struct rw_semaphore pin_sem; /* maximum # of trials to find a victim segment for SSR and GC */ unsigned int max_victim_search; @@ -3116,7 +3118,7 @@ void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi); int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra); void allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type, unsigned int start, unsigned int end); -void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi); +void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi, int type); int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range); bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi, struct cp_control *cpc); |