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mm/swapfile.c: fix a comment in sys_swapon()

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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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Hellwig 2020-02-20 20:04:15 -08:00 committed by Linus Torvalds
parent 0ef82fcefb
commit fed98ef4d8
1 changed files with 1 additions and 1 deletions
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2
mm/swapfile.c
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@ -3157,7 +3157,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
mapping = swap_file->f_mapping; mapping = swap_file->f_mapping;
inode = mapping->host; inode = mapping->host;
/* If S_ISREG(inode->i_mode) will do inode_lock(inode); */ /* will take i_rwsem; */
error = claim_swapfile(p, inode); error = claim_swapfile(p, inode);
if (unlikely(error)) if (unlikely(error))
goto bad_swap; goto bad_swap;