From: Christoph Hellwig <hch@xxxxxx> Subject: mm/swapfile.c: fix a comment in sys_swapon() claim_swapfile now always takes i_rwsem. Link: http://lkml.kernel.org/r/20200114161225.309792-2-hch@xxxxxx Signed-off-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/swapfile.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/swapfile.c~mm-fix-a-comment-in-sys_swapon +++ a/mm/swapfile.c @@ -3157,7 +3157,7 @@ SYSCALL_DEFINE2(swapon, const char __use mapping = swap_file->f_mapping; inode = mapping->host; - /* If S_ISREG(inode->i_mode) will do inode_lock(inode); */ + /* will take i_rwsem; */ error = claim_swapfile(p, inode); if (unlikely(error)) goto bad_swap; _
