diff options
| author | Ryusuke Konishi <konishi.ryusuke@gmail.com> | 2024-08-27 02:41:12 +0900 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-01 20:43:43 -0700 |
| commit | 9860f434056e6358ac63e7068254aeaf339cf71e (patch) | |
| tree | e0682e02f3cccddb4ae77e886499a029f854d5d3 /fs/nilfs2/the_nilfs.c | |
| parent | d7cee0b342cd90abe5d09976a69d1a22ad0c3441 (diff) | |
nilfs2: eliminate the shared counter and spinlock for i_generation
Use get_random_u32() as the source for inode->i_generation for new inodes,
and eliminate the original source, the shared counter ns_next_generation
along with its exclusive access spinlock ns_next_gen_lock.
Link: https://lkml.kernel.org/r/20240826174116.5008-5-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: Huang Xiaojia <huangxiaojia2@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/nilfs2/the_nilfs.c')
| -rw-r--r-- | fs/nilfs2/the_nilfs.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c index e44dde57ab65..ac03fd3c330c 100644 --- a/fs/nilfs2/the_nilfs.c +++ b/fs/nilfs2/the_nilfs.c @@ -12,7 +12,6 @@ #include <linux/slab.h> #include <linux/blkdev.h> #include <linux/backing-dev.h> -#include <linux/random.h> #include <linux/log2.h> #include <linux/crc32.h> #include "nilfs.h" @@ -69,7 +68,6 @@ struct the_nilfs *alloc_nilfs(struct super_block *sb) INIT_LIST_HEAD(&nilfs->ns_dirty_files); INIT_LIST_HEAD(&nilfs->ns_gc_inodes); spin_lock_init(&nilfs->ns_inode_lock); - spin_lock_init(&nilfs->ns_next_gen_lock); spin_lock_init(&nilfs->ns_last_segment_lock); nilfs->ns_cptree = RB_ROOT; spin_lock_init(&nilfs->ns_cptree_lock); @@ -754,9 +752,6 @@ int init_nilfs(struct the_nilfs *nilfs, struct super_block *sb) nilfs->ns_blocksize_bits = sb->s_blocksize_bits; nilfs->ns_blocksize = blocksize; - get_random_bytes(&nilfs->ns_next_generation, - sizeof(nilfs->ns_next_generation)); - err = nilfs_store_disk_layout(nilfs, sbp); if (err) goto failed_sbh; |