Searched hist:"7 c94ba27903c3c46c5829e96efb7c2a8ab7510e9" (Results 1 – 2 of 2) sorted by relevance
| /openbmc/linux/fs/ceph/ |
| H A D | super.c | diff 7c94ba27903c3c46c5829e96efb7c2a8ab7510e9 Tue Jan 10 07:17:56 CST 2017 Andreas Gerstmayr <andreas.gerstmayr@catalysts.cc> ceph: set io_pages bdi hint
This patch sets the io_pages bdi hint based on the rsize mount option.
Without this patch large buffered reads (request size > max readahead)
are processed sequentially in chunks of the readahead size (i.e. read
requests are sent out up to the readahead size, then the
do_generic_file_read() function waits until the first page is received).
With this patch read requests are sent out at once up to the size
specified in the rsize mount option (default: 64 MB).
Signed-off-by: Andreas Gerstmayr <andreas.gerstmayr@catalysts.cc>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Yan, Zheng <zyan@redhat.com>
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| H A D | super.h | diff 7c94ba27903c3c46c5829e96efb7c2a8ab7510e9 Tue Jan 10 07:17:56 CST 2017 Andreas Gerstmayr <andreas.gerstmayr@catalysts.cc> ceph: set io_pages bdi hint
This patch sets the io_pages bdi hint based on the rsize mount option.
Without this patch large buffered reads (request size > max readahead)
are processed sequentially in chunks of the readahead size (i.e. read
requests are sent out up to the readahead size, then the
do_generic_file_read() function waits until the first page is received).
With this patch read requests are sent out at once up to the size
specified in the rsize mount option (default: 64 MB).
Signed-off-by: Andreas Gerstmayr <andreas.gerstmayr@catalysts.cc>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Yan, Zheng <zyan@redhat.com>
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