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| author | Gao Xiang <gaoxiang25@huawei.com> | 2019-07-31 23:57:35 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-02 13:52:04 +0200 |
| commit | b1897c60b14dc565e9a308c09bbb696faf9d1944 (patch) | |
| tree | d16478e627267c03f61bdb08c8a718ccd4003be7 | |
| parent | cead56f85baa783a1ed56bea235a4c1c2556c3fa (diff) | |
| download | linux-b1897c60b14dc565e9a308c09bbb696faf9d1944.tar.bz2 | |
staging: erofs: sunset erofs_workstn_{lock,unlock}
It was used for Linux backward compatibility, and
no use for upstream kernel.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Link: https://lore.kernel.org/r/20190731155752.210602-6-gaoxiang25@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/erofs/internal.h | 3 | ||||
| -rw-r--r-- | drivers/staging/erofs/utils.c | 10 |
2 files changed, 5 insertions, 8 deletions
diff --git a/drivers/staging/erofs/internal.h b/drivers/staging/erofs/internal.h index 501429ec0f91..ed487ee56f74 100644 --- a/drivers/staging/erofs/internal.h +++ b/drivers/staging/erofs/internal.h @@ -179,9 +179,6 @@ static inline void *erofs_kmalloc(struct erofs_sb_info *sbi, #define test_opt(sbi, option) ((sbi)->mount_opt & EROFS_MOUNT_##option) #ifdef CONFIG_EROFS_FS_ZIP -#define erofs_workstn_lock(sbi) xa_lock(&(sbi)->workstn_tree) -#define erofs_workstn_unlock(sbi) xa_unlock(&(sbi)->workstn_tree) - /* basic unit of the workstation of a super_block */ struct erofs_workgroup { /* the workgroup index in the workstation */ diff --git a/drivers/staging/erofs/utils.c b/drivers/staging/erofs/utils.c index a68dbe375fa0..024806003297 100644 --- a/drivers/staging/erofs/utils.c +++ b/drivers/staging/erofs/utils.c @@ -102,14 +102,14 @@ int erofs_register_workgroup(struct super_block *sb, return err; sbi = EROFS_SB(sb); - erofs_workstn_lock(sbi); + xa_lock(&sbi->workstn_tree); grp = xa_tag_pointer(grp, tag); /* * Bump up reference count before making this workgroup * visible to other users in order to avoid potential UAF - * without serialized by erofs_workstn_lock. + * without serialized by workstn_lock. */ __erofs_workgroup_get(grp); @@ -122,7 +122,7 @@ int erofs_register_workgroup(struct super_block *sb, */ __erofs_workgroup_put(grp); - erofs_workstn_unlock(sbi); + xa_unlock(&sbi->workstn_tree); radix_tree_preload_end(); return err; } @@ -225,7 +225,7 @@ unsigned long erofs_shrink_workstation(struct erofs_sb_info *sbi, int i, found; repeat: - erofs_workstn_lock(sbi); + xa_lock(&sbi->workstn_tree); found = radix_tree_gang_lookup(&sbi->workstn_tree, batch, first_index, PAGEVEC_SIZE); @@ -243,7 +243,7 @@ repeat: if (unlikely(!--nr_shrink)) break; } - erofs_workstn_unlock(sbi); + xa_unlock(&sbi->workstn_tree); if (i && nr_shrink) goto repeat; |