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| author | Paolo Bonzini | 2019-07-11 15:14:16 +0200 |
|---|---|---|
| committer | Paolo Bonzini | 2019-07-11 15:14:16 +0200 |
| commit | a45ff5994c9cde41af627c46abb9f32beae68943 (patch) | |
| tree | b726cc506ed1b01484f183ab2679cdd618e1e9b1 /fs/ceph/snap.c | |
| parent | Documentation: virtual: Add toctree hooks (diff) | |
| parent | KVM: arm/arm64: Initialise host's MPIDRs by reading the actual register (diff) | |
| download | kernel-qcow2-linux-a45ff5994c9cde41af627c46abb9f32beae68943.tar.gz kernel-qcow2-linux-a45ff5994c9cde41af627c46abb9f32beae68943.tar.xz kernel-qcow2-linux-a45ff5994c9cde41af627c46abb9f32beae68943.zip | |
Merge tag 'kvm-arm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm updates for 5.3
- Add support for chained PMU counters in guests
- Improve SError handling
- Handle Neoverse N1 erratum #1349291
- Allow side-channel mitigation status to be migrated
- Standardise most AArch64 system register accesses to msr_s/mrs_s
- Fix host MPIDR corruption on 32bit
Diffstat (limited to 'fs/ceph/snap.c')
| -rw-r--r-- | fs/ceph/snap.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c index b26e12cd8ec3..72c6c022f02b 100644 --- a/fs/ceph/snap.c +++ b/fs/ceph/snap.c @@ -648,13 +648,15 @@ static void queue_realm_cap_snaps(struct ceph_snap_realm *realm) if (!inode) continue; spin_unlock(&realm->inodes_with_caps_lock); - iput(lastinode); + /* avoid calling iput_final() while holding + * mdsc->snap_rwsem or in mds dispatch threads */ + ceph_async_iput(lastinode); lastinode = inode; ceph_queue_cap_snap(ci); spin_lock(&realm->inodes_with_caps_lock); } spin_unlock(&realm->inodes_with_caps_lock); - iput(lastinode); + ceph_async_iput(lastinode); dout("queue_realm_cap_snaps %p %llx done\n", realm, realm->ino); } @@ -806,7 +808,9 @@ static void flush_snaps(struct ceph_mds_client *mdsc) ihold(inode); spin_unlock(&mdsc->snap_flush_lock); ceph_flush_snaps(ci, &session); - iput(inode); + /* avoid calling iput_final() while holding + * session->s_mutex or in mds dispatch threads */ + ceph_async_iput(inode); spin_lock(&mdsc->snap_flush_lock); } spin_unlock(&mdsc->snap_flush_lock); @@ -950,12 +954,14 @@ void ceph_handle_snap(struct ceph_mds_client *mdsc, ceph_get_snap_realm(mdsc, realm); ceph_put_snap_realm(mdsc, oldrealm); - iput(inode); + /* avoid calling iput_final() while holding + * mdsc->snap_rwsem or mds in dispatch threads */ + ceph_async_iput(inode); continue; skip_inode: spin_unlock(&ci->i_ceph_lock); - iput(inode); + ceph_async_iput(inode); } /* we may have taken some of the old realm's children. */ |