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Linux 4.19-rc3+ compat: Remove refcount_t compat

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torvalds/linux@59b57717f ("blkcg: delay blkg destruction until
after writeback has finished") added a refcount_t to the blkcg
structure. Due to the refcount_t compatibility code, zfs_refcount_t
was used by mistake.

Resolve this by removing the compatibility code and replacing the
occurrences of refcount_t with zfs_refcount_t.

Reviewed-by: Franz Pletz <fpletz@fnordicwalking.de>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tim Schumacher <timschumi@gmx.de>
Closes #7885 
Closes #7932
This commit is contained in:
Tim Schumacher
2018-09-26 19:29:26 +02:00
committed by Brian Behlendorf
parent 7a23c81342
commit c13060e478
32 changed files with 115 additions and 126 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/spa_misc.c
+4 -4
View File
@@ -81,7 +81,7 @@
* definition they must have an existing reference, and will never need
* to lookup a spa_t by name.
*
* spa_refcount (per-spa refcount_t protected by mutex)
* spa_refcount (per-spa zfs_refcount_t protected by mutex)
*
* This reference count keep track of any active users of the spa_t. The
* spa_t cannot be destroyed or freed while this is non-zero. Internally,
@@ -478,7 +478,7 @@ spa_config_tryenter(spa_t *spa, int locks, void *tag, krw_t rw)
}
scl->scl_writer = curthread;
}
(void) refcount_add(&scl->scl_count, tag);
(void) zfs_refcount_add(&scl->scl_count, tag);
mutex_exit(&scl->scl_lock);
}
return (1);
@@ -511,7 +511,7 @@ spa_config_enter(spa_t *spa, int locks, void *tag, krw_t rw)
}
scl->scl_writer = curthread;
}
(void) refcount_add(&scl->scl_count, tag);
(void) zfs_refcount_add(&scl->scl_count, tag);
mutex_exit(&scl->scl_lock);
}
ASSERT3U(wlocks_held, <=, locks);
@@ -841,7 +841,7 @@ spa_open_ref(spa_t *spa, void *tag)
{
ASSERT(refcount_count(&spa->spa_refcount) >= spa->spa_minref ||
MUTEX_HELD(&spa_namespace_lock));
(void) refcount_add(&spa->spa_refcount, tag);
(void) zfs_refcount_add(&spa->spa_refcount, tag);
}
/*