diff options
| author | Jan Kara <jack@suse.cz> | 2017-11-16 04:34:41 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-16 05:21:03 +0300 |
| commit | 0ed75fc8d288f414051a94743563ac8c2cb62b0c (patch) | |
| tree | 9dba4298cae2ddda3db9a5b406b91299e48f2d95 | |
| parent | 4006f437f965a74a31ba407138d646fbd3f3a822 (diff) | |
| download | linux-0ed75fc8d288f414051a94743563ac8c2cb62b0c.tar.xz | |
ceph: use pagevec_lookup_range_tag()
We want only pages from given range in ceph_writepages_start(). Use
pagevec_lookup_range_tag() instead of pagevec_lookup_tag() and remove
unnecessary code.
Link: http://lkml.kernel.org/r/20171009151359.31984-4-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/ceph/addr.c | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 4d622654bfbc..1af5cc899cb4 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -872,13 +872,10 @@ retry: get_more_pages: pvec_pages = min_t(unsigned, PAGEVEC_SIZE, max_pages - locked_pages); - if (end - index < (u64)(pvec_pages - 1)) - pvec_pages = (unsigned)(end - index) + 1; - - pvec_pages = pagevec_lookup_tag(&pvec, mapping, &index, - PAGECACHE_TAG_DIRTY, + pvec_pages = pagevec_lookup_range_tag(&pvec, mapping, &index, + end, PAGECACHE_TAG_DIRTY, pvec_pages); - dout("pagevec_lookup_tag got %d\n", pvec_pages); + dout("pagevec_lookup_range_tag got %d\n", pvec_pages); if (!pvec_pages && !locked_pages) break; for (i = 0; i < pvec_pages && locked_pages < max_pages; i++) { @@ -896,16 +893,6 @@ get_more_pages: unlock_page(page); continue; } - if (page->index > end) { - dout("end of range %p\n", page); - /* can't be range_cyclic (1st pass) because - * end == -1 in that case. */ - stop = true; - if (ceph_wbc.head_snapc) - done = true; - unlock_page(page); - break; - } if (strip_unit_end && (page->index > strip_unit_end)) { dout("end of strip unit %p\n", page); unlock_page(page); |