The patch titled SYNC_FILE_RANGE_WRITE may and will block. Document that. has been removed from the -mm tree. Its filename was sync_file_range_write-may-and-will-block-document-that.patch This patch was dropped because it was merged into mainline or a subsystem tree The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: SYNC_FILE_RANGE_WRITE may and will block. Document that. From: Pavel Machek <pavel@xxxxxxx> [akpm@xxxxxxxxxxxxxxxxxxxx: fix comment text] Signed-off-by: Pavel Machek <pavel@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/sync.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff -puN fs/sync.c~sync_file_range_write-may-and-will-block-document-that fs/sync.c --- a/fs/sync.c~sync_file_range_write-may-and-will-block-document-that +++ a/fs/sync.c @@ -139,7 +139,8 @@ asmlinkage long sys_fdatasync(unsigned i * before performing the write. * * SYNC_FILE_RANGE_WRITE: initiate writeout of all those dirty pages in the - * range which are not presently under writeback. + * range which are not presently under writeback. Note that this may block for + * significant periods due to exhaustion of disk request structures. * * SYNC_FILE_RANGE_WAIT_AFTER: wait upon writeout of all pages in the range * after performing the write. _ Patches currently in -mm which might be from pavel@xxxxxxx are origin.patch linux-next.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html