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Matthew Wilcox (Oracle)
8da36b26e3
Inspired by the mips test_and_change_bit(), this will surely be more efficient than the generic one defined in filemap.c Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Matthew Wilcox (Oracle) <[email protected]> Cc: Albert Ou <[email protected]> Cc: Alexander Gordeev <[email protected]> Cc: Andreas Dilger <[email protected]> Cc: Christian Borntraeger <[email protected]> Cc: Christophe Leroy <[email protected]> Cc: Geert Uytterhoeven <[email protected]> Cc: Heiko Carstens <[email protected]> Cc: Ivan Kokshaysky <[email protected]> Cc: Matt Turner <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Nicholas Piggin <[email protected]> Cc: Palmer Dabbelt <[email protected]> Cc: Paul Walmsley <[email protected]> Cc: Richard Henderson <[email protected]> Cc: Sven Schnelle <[email protected]> Cc: "Theodore Ts'o" <[email protected]> Cc: Thomas Bogendoerfer <[email protected]> Cc: Vasily Gorbik <[email protected]> Signed-off-by: Andrew Morton <[email protected]>