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Retire ZFS_TEARDOWN_TRY_ENTER_READ

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There were never any users and it so happens the operation is not even
supported by rrm locks -- the macros were wrong for Linux and FreeBSD
when not using it's RMS locks.
    
Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Closes #13906
This commit is contained in:
Mateusz Guzik
2022-09-21 00:34:41 +02:00
committed by GitHub
parent 402426c7d8
commit c629f0bf62
2 changed files with 0 additions and 9 deletions
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include/os/freebsd/zfs/sys/zfs_vfsops_os.h
-6
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@@ -128,9 +128,6 @@ struct zfsvfs {
#define ZFS_TEARDOWN_DESTROY(zfsvfs) \
rms_destroy(&(zfsvfs)->z_teardown_lock)
#define ZFS_TEARDOWN_TRY_ENTER_READ(zfsvfs) \
rms_try_rlock(&(zfsvfs)->z_teardown_lock)
#define ZFS_TEARDOWN_ENTER_READ(zfsvfs, tag) \
rms_rlock(&(zfsvfs)->z_teardown_lock);
@@ -161,9 +158,6 @@ struct zfsvfs {
#define ZFS_TEARDOWN_DESTROY(zfsvfs) \
rrm_destroy(&(zfsvfs)->z_teardown_lock)
#define ZFS_TEARDOWN_TRY_ENTER_READ(zfsvfs) \
rw_tryenter(&(zfsvfs)->z_teardown_lock, RW_READER)
#define ZFS_TEARDOWN_ENTER_READ(zfsvfs, tag) \
rrm_enter_read(&(zfsvfs)->z_teardown_lock, tag);