* [patch 09/15] mm/swapfile.c: fix a comment in sys_swapon()
@ 2020-02-21 4:04 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2020-02-21 4:04 UTC (permalink / raw)
To: hch, akpm, mm-commits, linux-mm, torvalds
From: Christoph Hellwig <hch@lst.de>
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@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
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;
_
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2020-02-21 4:04 [patch 09/15] mm/swapfile.c: fix a comment in sys_swapon() akpm
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