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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-06-13 09:47:48 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-07-06 10:44:07 -0700 |
| commit | 52763a4b7a2112743745c5bbfe43fe6f54d4b39a (patch) | |
| tree | 42b1ca3efc444ed16b29796fd13d7054737ab20c /fs/f2fs/f2fs.h | |
| parent | 67c3758d2267de589ee9a8856fe637cce85993d9 (diff) | |
| download | linux-52763a4b7a2112743745c5bbfe43fe6f54d4b39a.tar.gz linux-52763a4b7a2112743745c5bbfe43fe6f54d4b39a.tar.bz2 linux-52763a4b7a2112743745c5bbfe43fe6f54d4b39a.zip | |
f2fs: detect host-managed SMR by feature flag
If mkfs.f2fs gives a feature flag for host-managed SMR, we can set mode=lfs
by default.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index bbcd4688f97b..b3aeb58a6285 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -133,6 +133,7 @@ struct f2fs_mount_info { }; #define F2FS_FEATURE_ENCRYPT 0x0001 +#define F2FS_FEATURE_HMSMR 0x0002 #define F2FS_HAS_FEATURE(sb, mask) \ ((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0) @@ -2334,6 +2335,26 @@ static inline int f2fs_sb_has_crypto(struct super_block *sb) return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_ENCRYPT); } +static inline int f2fs_sb_mounted_hmsmr(struct super_block *sb) +{ + return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_HMSMR); +} + +static inline void set_opt_mode(struct f2fs_sb_info *sbi, unsigned int mt) +{ + clear_opt(sbi, ADAPTIVE); + clear_opt(sbi, LFS); + + switch (mt) { + case F2FS_MOUNT_ADAPTIVE: + set_opt(sbi, ADAPTIVE); + break; + case F2FS_MOUNT_LFS: + set_opt(sbi, LFS); + break; + } +} + static inline bool f2fs_may_encrypt(struct inode *inode) { #ifdef CONFIG_F2FS_FS_ENCRYPTION |