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Sage Weil db3540522e ceph: fix cap flush race reentrancy ... In e9964c10 we change cap flushing to do a delicate dance because some inodes on the cap_dirty list could be in a migrating state (got EXPORT but not IMPORT) in which we couldn't actually flush and move from dirty->flushing, breaking the while (!empty) { process first } loop structure. It worked for a single sync thread, but was not reentrant and triggered infinite loops when multiple syncers came along. Instead, move inodes with dirty to a separate cap_dirty_migrating list when in the limbo export-but-no-import state, allowing us to go back to the simple loop structure (which was reentrant). This is cleaner and more robust. Audited the cap_dirty users and this looks fine: list_empty(&ci->i_dirty_item) is still a reliable indicator of whether we have dirty caps (which list we're on is irrelevant) and list_del_init() calls still do the right thing. Signed-off-by: Sage Weil <sage@newdream.net>		14 years ago
..
Kconfig	…
Makefile	…
addr.c	ceph: check return value for start_request in writepages	14 years ago
caps.c	ceph: fix cap flush race reentrancy	14 years ago
ceph_frag.c	…
debugfs.c	…
dir.c	ceph: fix broken comparison in readdir loop	14 years ago
export.c	ceph: avoid inode lookup on nfs fh reconnect	14 years ago
file.c	…
inode.c	ceph: do not use i_wrbuffer_ref as refcount for Fb cap	14 years ago
ioctl.c	…
ioctl.h	…
locks.c	…
mds_client.c	ceph: fix cap flush race reentrancy	14 years ago
mds_client.h	ceph: fix cap flush race reentrancy	14 years ago
mdsmap.c	…
snap.c	ceph: fix list_add in ceph_put_snap_realm	14 years ago
strings.c	…
super.c	…
super.h	ceph: do not use i_wrbuffer_ref as refcount for Fb cap	14 years ago
xattr.c	…