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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-09-21 09:06:39 +0400 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-10-01 02:06:09 +0400 |
| commit | 4b2fecc84655055a6a1fe9151786992ac04b56ce (patch) | |
| tree | 05f5f041260756216c0b3f1a0da2360be31580b6 /fs/f2fs/f2fs.h | |
| parent | 75ab4cb8301adb3a02a96c5c03c837ed941f1bc5 (diff) | |
| download | linux-4b2fecc84655055a6a1fe9151786992ac04b56ce.tar.xz | |
f2fs: introduce FITRIM in f2fs_ioctl
This patch introduces FITRIM in f2fs_ioctl.
In this case, f2fs will issue small discards and prefree discards as many as
possible for the given area.
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 529892418862..7b1e1d20a9c1 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -99,10 +99,15 @@ enum { enum { CP_UMOUNT, CP_SYNC, + CP_DISCARD, }; struct cp_control { int reason; + __u64 trim_start; + __u64 trim_end; + __u64 trim_minlen; + __u64 trimmed; }; /* @@ -1276,9 +1281,11 @@ void destroy_flush_cmd_control(struct f2fs_sb_info *); void invalidate_blocks(struct f2fs_sb_info *, block_t); void refresh_sit_entry(struct f2fs_sb_info *, block_t, block_t); void clear_prefree_segments(struct f2fs_sb_info *); +void release_discard_addrs(struct f2fs_sb_info *); void discard_next_dnode(struct f2fs_sb_info *, block_t); int npages_for_summary_flush(struct f2fs_sb_info *); void allocate_new_segments(struct f2fs_sb_info *); +int f2fs_trim_fs(struct f2fs_sb_info *, struct fstrim_range *); struct page *get_sum_page(struct f2fs_sb_info *, unsigned int); void write_meta_page(struct f2fs_sb_info *, struct page *); void write_node_page(struct f2fs_sb_info *, struct page *, @@ -1295,7 +1302,7 @@ void write_data_summaries(struct f2fs_sb_info *, block_t); void write_node_summaries(struct f2fs_sb_info *, block_t); int lookup_journal_in_cursum(struct f2fs_summary_block *, int, unsigned int, int); -void flush_sit_entries(struct f2fs_sb_info *); +void flush_sit_entries(struct f2fs_sb_info *, struct cp_control *); int build_segment_manager(struct f2fs_sb_info *); void destroy_segment_manager(struct f2fs_sb_info *); int __init create_segment_manager_caches(void); |