vfs: __read_cache_page should use gfp argument rather than GFP_KERNEL
lockdep reports a deadlock in jfs because a special inode's rw semaphore is taken recursively. The mapping's gfp mask is GFP_NOFS, but is not used when __read_cache_page() calls add_to_page_cache_lru(). Signed-off-by: NDave Kleikamp <dave.kleikamp@oracle.com> Acked-by: NHugh Dickins <hughd@google.com> Acked-by: NAl Viro <viro@zeniv.linux.org.uk> Cc: stable@kernel.org Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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