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v0.5.1
https://github.com/torvalds/linux
02 December 2023, 22:23:51 UTC
Revision 34b759b4a22b0acb82423389a24699357798cf3c authored by Ilya Dryomov on 16 February 2016, 14:00:24 UTC, committed by Ilya Dryomov on 25 March 2016, 17:51:52 UTC 
ceph: kill ceph_empty_snapc
 
ceph_empty_snapc->num_snaps == 0 at all times.  Passing such a snapc to
ceph_osdc_alloc_request() (possibly through ceph_osdc_new_request()) is
equivalent to passing NULL, as ceph_osdc_alloc_request() uses it only
for sizing the request message.

Further, in all four cases the subsequent ceph_osdc_build_request() is
passed NULL for snapc, meaning that 0 is encoded for seq and num_snaps
and making ceph_empty_snapc entirely useless.  The two cases where it
actually mattered were removed in commits 860560904962 ("ceph: avoid
sending unnessesary FLUSHSNAP message") and 23078637e054 ("ceph: fix
queuing inode to mdsdir's snaprealm").

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by:  Yan, Zheng <zyan@redhat.com>
1 parent ce43559
History
Tip revision: 34b759b4a22b0acb82423389a24699357798cf3c authored by Ilya Dryomov on 16 February 2016, 14:00:24 UTC
ceph: kill ceph_empty_snapc
Tip revision: 34b759b
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