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author | NeilBrown <neilb@suse.de> | 2023-09-11 17:39:11 +0300 |
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committer | Chuck Lever <chuck.lever@oracle.com> | 2023-10-16 19:44:04 +0300 |
commit | 5ff817b23534dd3942f881ab01dd5050505517aa (patch) | |
tree | 68645765fa9aa791b5ccd0f39dc687ab2d1b8b6e /mm/filemap.c | |
parent | fa341560ca7458f4396d5a0771cb5f2358d8535d (diff) | |
download | linux-5ff817b23534dd3942f881ab01dd5050505517aa.tar.xz |
SUNRPC: add list of idle threads
Rather than searching a list of threads to find an idle one, having a
list of idle threads allows an idle thread to be found immediately.
This adds some spin_lock calls which is not ideal, but as the hold-time
is tiny it is still faster than searching a list. A future patch will
remove them using llist.h. This involves some subtlety and so is left
to a separate patch.
This removes the need for the RQ_BUSY flag. The rqst is "busy"
precisely when it is not on the "idle" list.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'mm/filemap.c')
0 files changed, 0 insertions, 0 deletions