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| author |   Yan, Zheng <zyan@redhat.com> | 2015-10-26 16:08:43 +0800 |
|---|---|---|
| committer |   Ilya Dryomov <idryomov@gmail.com> | 2015-11-02 23:36:48 +0100 |
| commit | 5e804ac4824302efc3038e086cb21f2e93ab8900 (patch) | |
| tree | 6e67ab2be2c56191d96afa4f012bf688ea001828 /fs/ceph/caps.c | |
| parent | rbd: remove duplicate calls to rbd_dev_mapping_clear() (diff) | |
| download | linux-dev-5e804ac4824302efc3038e086cb21f2e93ab8900.tar.xz linux-dev-5e804ac4824302efc3038e086cb21f2e93ab8900.zip | |
ceph: don't invalidate page cache when inode is no longer used
ceph_check_caps() invalidate page cache when inode is not used
by any open file. This behaviour is not friendly for workload
that repeatly read files.
Signed-off-by: Yan, Zheng <zyan@redhat.com>
Diffstat (limited to 'fs/ceph/caps.c')
| -rw-r--r-- | fs/ceph/caps.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 27b566874bc1..349315332040 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1655,9 +1655,8 @@ retry_locked: !S_ISDIR(inode->i_mode) && /* ignore readdir cache */ ci->i_wrbuffer_ref == 0 && /* no dirty pages... */ inode->i_data.nrpages && /* have cached pages */ - (file_wanted == 0 || /* no open files */ - (revoking & (CEPH_CAP_FILE_CACHE| - CEPH_CAP_FILE_LAZYIO))) && /* or revoking cache */ + (revoking & (CEPH_CAP_FILE_CACHE| + CEPH_CAP_FILE_LAZYIO)) && /* or revoking cache */ !tried_invalidate) { dout("check_caps trying to invalidate on %p\n", inode); if (try_nonblocking_invalidate(inode) < 0) { |