diff options
Diffstat (limited to 'fs/ceph')
| -rw-r--r-- | fs/ceph/caps.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index a5b5725931bf..82ffde618af0 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -2278,8 +2278,8 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, * try to invalidate (once). (If there are dirty buffers, we * will invalidate _after_ writeback.) */ - if (((cap->issued & ~newcaps) & (CEPH_CAP_FILE_CACHE| - CEPH_CAP_FILE_LAZYIO)) && + if (((cap->issued & ~newcaps) & CEPH_CAP_FILE_CACHE) && + (newcaps & CEPH_CAP_FILE_LAZYIO) == 0 && !ci->i_wrbuffer_ref) { if (try_nonblocking_invalidate(inode) == 0) { revoked_rdcache = 1; @@ -2371,16 +2371,22 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, /* revocation, grant, or no-op? */ if (cap->issued & ~newcaps) { - dout("revocation: %s -> %s\n", ceph_cap_string(cap->issued), - ceph_cap_string(newcaps)); - if ((used & ~newcaps) & CEPH_CAP_FILE_BUFFER) - writeback = 1; /* will delay ack */ - else if (dirty & ~newcaps) - check_caps = 1; /* initiate writeback in check_caps */ - else if (((used & ~newcaps) & (CEPH_CAP_FILE_CACHE| - CEPH_CAP_FILE_LAZYIO)) == 0 || - revoked_rdcache) - check_caps = 2; /* send revoke ack in check_caps */ + int revoking = cap->issued & ~newcaps; + + dout("revocation: %s -> %s (revoking %s)\n", + ceph_cap_string(cap->issued), + ceph_cap_string(newcaps), + ceph_cap_string(revoking)); + if (revoking & CEPH_CAP_FILE_BUFFER) + writeback = 1; /* initiate writeback; will delay ack */ + else if (revoking == CEPH_CAP_FILE_CACHE && + (newcaps & CEPH_CAP_FILE_LAZYIO) == 0 && + queue_invalidate) + ; /* do nothing yet, invalidation will be queued */ + else if (cap == ci->i_auth_cap) + check_caps = 1; /* check auth cap only */ + else + check_caps = 2; /* check all caps */ cap->issued = newcaps; cap->implemented |= newcaps; } else if (cap->issued == newcaps) { |