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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2019-02-25 18:46:45 +0100 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2019-03-13 02:59:18 +0100 |
| commit | 428e3bcf07696ff252b7ff3ff7711c2b9bbdb908 (patch) | |
| tree | ac45ae40c6165175976cc197c5b4e201ca9df644 /fs/f2fs/namei.c | |
| parent | f2fs: no need to take page lock in readdir (diff) | |
| download | linux-428e3bcf07696ff252b7ff3ff7711c2b9bbdb908.tar.xz linux-428e3bcf07696ff252b7ff3ff7711c2b9bbdb908.zip | |
f2fs: give random value to i_generation
This follows to give random number to i_generation along with commit
232530680290b ("ext4: improve smp scalability for inode generation")
This can be used for DUN for UFS HW encryption.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/namei.c')
| -rw-r--r-- | fs/f2fs/namei.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 62d9829f3a6a..f218d9424d8b 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -10,6 +10,7 @@ #include <linux/pagemap.h> #include <linux/sched.h> #include <linux/ctype.h> +#include <linux/random.h> #include <linux/dcache.h> #include <linux/namei.h> #include <linux/quotaops.h> @@ -50,7 +51,7 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode) inode->i_blocks = 0; inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); F2FS_I(inode)->i_crtime = inode->i_mtime; - inode->i_generation = sbi->s_next_generation++; + inode->i_generation = prandom_u32(); if (S_ISDIR(inode->i_mode)) F2FS_I(inode)->i_current_depth = 1; |