forked from luck/tmp_suning_uos_patched
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> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -3157,7 +3157,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
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mapping = swap_file->f_mapping;
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inode = mapping->host;
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/* If S_ISREG(inode->i_mode) will do inode_lock(inode); */
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/* will take i_rwsem; */
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error = claim_swapfile(p, inode);
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if (unlikely(error))
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goto bad_swap;
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