diff options
| author | Chao Yu <chao2.yu@samsung.com> | 2015-12-16 13:12:16 +0800 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-13 12:32:34 +0200 |
| commit | cdb76426ca27e544bce47986286089cba5519800 (patch) | |
| tree | 80cf8c6ccdc4d3691b24b1d9d5acb1e604b9861e /fs | |
| parent | c0e966cc9e90384276fdd823a14be01e3e95baa9 (diff) | |
f2fs: introduce new option for controlling data flush
Add a new option 'data_flush' to enable data flush functionality.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Conflicts:
Documentation/filesystems/f2fs.txt
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/f2fs/f2fs.h | 1 | ||||
| -rw-r--r-- | fs/f2fs/super.c | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index a621e479c..b6417c9e9 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -54,6 +54,7 @@ #define F2FS_MOUNT_FASTBOOT 0x00001000 #define F2FS_MOUNT_EXTENT_CACHE 0x00002000 #define F2FS_MOUNT_FORCE_FG_GC 0x00004000 +#define F2FS_MOUNT_DATA_FLUSH 0x00008000 #define clear_opt(sbi, option) (sbi->mount_opt.opt &= ~F2FS_MOUNT_##option) #define set_opt(sbi, option) (sbi->mount_opt.opt |= F2FS_MOUNT_##option) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 5d8998621..bdd0433b1 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -66,6 +66,7 @@ enum { Opt_extent_cache, Opt_noextent_cache, Opt_noinline_data, + Opt_data_flush, Opt_err, }; @@ -90,6 +91,7 @@ static match_table_t f2fs_tokens = { {Opt_extent_cache, "extent_cache"}, {Opt_noextent_cache, "noextent_cache"}, {Opt_noinline_data, "noinline_data"}, + {Opt_data_flush, "data_flush"}, {Opt_err, NULL}, }; @@ -405,6 +407,9 @@ static int parse_options(struct super_block *sb, char *options) case Opt_noinline_data: clear_opt(sbi, INLINE_DATA); break; + case Opt_data_flush: + set_opt(sbi, DATA_FLUSH); + break; default: f2fs_msg(sb, KERN_ERR, "Unrecognized mount option \"%s\" or missing value", @@ -686,6 +691,8 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root) seq_puts(seq, ",extent_cache"); else seq_puts(seq, ",noextent_cache"); + if (test_opt(sbi, DATA_FLUSH)) + seq_puts(seq, ",data_flush"); seq_printf(seq, ",active_logs=%u", sbi->active_logs); return 0; |