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Change KM_PUSHPAGE -> KM_SLEEP

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By marking DMU transaction processing contexts with PF_FSTRANS
we can revert the KM_PUSHPAGE -> KM_SLEEP changes.  This brings
us back in line with upstream.  In some cases this means simply
swapping the flags back.  For others fnvlist_alloc() was replaced
by nvlist_alloc(..., KM_PUSHPAGE) and must be reverted back to
fnvlist_alloc() which assumes KM_SLEEP.

The one place KM_PUSHPAGE is kept is when allocating ARC buffers
which allows us to dip in to reserved memory.  This is again the
same as upstream.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf
2014-11-20 19:09:39 -05:00
parent efcd79a883
commit 79c76d5b65
65 changed files with 269 additions and 281 deletions
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module/zfs/zfs_vnops.c
+2 -2
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@@ -922,7 +922,7 @@ zfs_iput_async(struct inode *ip)
if (atomic_read(&ip->i_count) == 1)
taskq_dispatch(dsl_pool_iput_taskq(dmu_objset_pool(os)),
(task_func_t *)iput, ip, TQ_PUSHPAGE);
(task_func_t *)iput, ip, TQ_SLEEP);
else
iput(ip);
}
@@ -987,7 +987,7 @@ zfs_get_data(void *arg, lr_write_t *lr, char *buf, zio_t *zio)
return (SET_ERROR(ENOENT));
}
zgd = (zgd_t *)kmem_zalloc(sizeof (zgd_t), KM_PUSHPAGE);
zgd = (zgd_t *)kmem_zalloc(sizeof (zgd_t), KM_SLEEP);
zgd->zgd_zilog = zsb->z_log;
zgd->zgd_private = zp;