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When we issue an OSD read, we specify a vector of pages that the data is to be read into. The request may be sent multiple times, to multiple OSDs, if the osdmap changes, which means we can get more than one reply. Only read data into the page vector if the reply is coming from the OSD we last sent the request to. Keep track of which connection is using the vector by taking a reference. If another connection was already using the vector before and a new reply comes in on the right connection, revoke the pages from the other connection. Signed-off-by: Sage Weil <sage@newdream.net> |
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.. | ||
crush | ||
addr.c | ||
auth_none.c | ||
auth_none.h | ||
auth.c | ||
auth.h | ||
buffer.c | ||
buffer.h | ||
caps.c | ||
ceph_debug.h | ||
ceph_frag.c | ||
ceph_frag.h | ||
ceph_fs.c | ||
ceph_fs.h | ||
ceph_hash.c | ||
ceph_hash.h | ||
ceph_strings.c | ||
debugfs.c | ||
decode.h | ||
dir.c | ||
export.c | ||
file.c | ||
inode.c | ||
ioctl.c | ||
ioctl.h | ||
Kconfig | ||
Makefile | ||
mds_client.c | ||
mds_client.h | ||
mdsmap.c | ||
mdsmap.h | ||
messenger.c | ||
messenger.h | ||
mon_client.c | ||
mon_client.h | ||
msgpool.c | ||
msgpool.h | ||
msgr.h | ||
osd_client.c | ||
osd_client.h | ||
osdmap.c | ||
osdmap.h | ||
rados.h | ||
README | ||
snap.c | ||
super.c | ||
super.h | ||
types.h | ||
xattr.c |
# # The following files are shared by (and manually synchronized # between) the Ceph userland and kernel client. # # userland kernel src/include/ceph_fs.h fs/ceph/ceph_fs.h src/include/ceph_fs.cc fs/ceph/ceph_fs.c src/include/msgr.h fs/ceph/msgr.h src/include/rados.h fs/ceph/rados.h src/include/ceph_strings.cc fs/ceph/ceph_strings.c src/include/ceph_frag.h fs/ceph/ceph_frag.h src/include/ceph_frag.cc fs/ceph/ceph_frag.c src/include/ceph_hash.h fs/ceph/ceph_hash.h src/include/ceph_hash.cc fs/ceph/ceph_hash.c src/crush/crush.c fs/ceph/crush/crush.c src/crush/crush.h fs/ceph/crush/crush.h src/crush/mapper.c fs/ceph/crush/mapper.c src/crush/mapper.h fs/ceph/crush/mapper.h src/crush/hash.h fs/ceph/crush/hash.h src/crush/hash.c fs/ceph/crush/hash.c