diff options
| author | Jason A. Donenfeld <Jason@zx2c4.com> | 2022-10-10 05:44:02 +0300 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2022-11-18 04:15:15 +0300 |
| commit | 8032bf1233a74627ce69b803608e650f3f35971c (patch) | |
| tree | 1e15cd719358130192c59b8d5a61a0c3c9fbe82c /fs/f2fs | |
| parent | 7f576b2593a978451416424e75f69ad1e3ae4efe (diff) | |
| download | linux-8032bf1233a74627ce69b803608e650f3f35971c.tar.xz | |
treewide: use get_random_u32_below() instead of deprecated function
This is a simple mechanical transformation done by:
@@
expression E;
@@
- prandom_u32_max
+ get_random_u32_below
(E)
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Darrick J. Wong <djwong@kernel.org> # for xfs
Reviewed-by: SeongJae Park <sj@kernel.org> # for damon
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> # for infiniband
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> # for arm
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # for mmc
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/gc.c | 2 | ||||
| -rw-r--r-- | fs/f2fs/segment.c | 8 |
2 files changed, 5 insertions, 5 deletions
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 4546e01b2ee0..536d332d9e2e 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -282,7 +282,7 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type, /* let's select beginning hot/small space first in no_heap mode*/ if (f2fs_need_rand_seg(sbi)) - p->offset = prandom_u32_max(MAIN_SECS(sbi) * sbi->segs_per_sec); + p->offset = get_random_u32_below(MAIN_SECS(sbi) * sbi->segs_per_sec); else if (test_opt(sbi, NOHEAP) && (type == CURSEG_HOT_DATA || IS_NODESEG(type))) p->offset = 0; diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index acf3d3fa4363..334415d946f8 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2534,7 +2534,7 @@ static unsigned int __get_next_segno(struct f2fs_sb_info *sbi, int type) sanity_check_seg_type(sbi, seg_type); if (f2fs_need_rand_seg(sbi)) - return prandom_u32_max(MAIN_SECS(sbi) * sbi->segs_per_sec); + return get_random_u32_below(MAIN_SECS(sbi) * sbi->segs_per_sec); /* if segs_per_sec is large than 1, we need to keep original policy. */ if (__is_large_section(sbi)) @@ -2588,7 +2588,7 @@ static void new_curseg(struct f2fs_sb_info *sbi, int type, bool new_sec) curseg->alloc_type = LFS; if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK) curseg->fragment_remained_chunk = - prandom_u32_max(sbi->max_fragment_chunk) + 1; + get_random_u32_below(sbi->max_fragment_chunk) + 1; } static int __next_free_blkoff(struct f2fs_sb_info *sbi, @@ -2625,9 +2625,9 @@ static void __refresh_next_blkoff(struct f2fs_sb_info *sbi, /* To allocate block chunks in different sizes, use random number */ if (--seg->fragment_remained_chunk <= 0) { seg->fragment_remained_chunk = - prandom_u32_max(sbi->max_fragment_chunk) + 1; + get_random_u32_below(sbi->max_fragment_chunk) + 1; seg->next_blkoff += - prandom_u32_max(sbi->max_fragment_hole) + 1; + get_random_u32_below(sbi->max_fragment_hole) + 1; } } } |