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Pavel Machek committed cce77081586
SYNC_FILE_RANGE_WRITE may and will block. Document that. [akpm@linux-foundation.org: fix comment text] Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>