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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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include/sys/spa.h
+6 -6
View File
@@ -877,12 +877,12 @@ extern void spa_configfile_set(spa_t *, nvlist_t *, boolean_t);
extern void spa_event_notify(spa_t *spa, vdev_t *vdev, const char *name);
#ifdef ZFS_DEBUG
#define dprintf_bp(bp, fmt, ...) do { \
if (zfs_flags & ZFS_DEBUG_DPRINTF) { \
char *__blkbuf = kmem_alloc(BP_SPRINTF_LEN, KM_PUSHPAGE); \
snprintf_blkptr(__blkbuf, BP_SPRINTF_LEN, (bp)); \
dprintf(fmt " %s\n", __VA_ARGS__, __blkbuf); \
kmem_free(__blkbuf, BP_SPRINTF_LEN); \
#define dprintf_bp(bp, fmt, ...) do { \
if (zfs_flags & ZFS_DEBUG_DPRINTF) { \
char *__blkbuf = kmem_alloc(BP_SPRINTF_LEN, KM_SLEEP); \
snprintf_blkptr(__blkbuf, BP_SPRINTF_LEN, (bp)); \
dprintf(fmt " %s\n", __VA_ARGS__, __blkbuf); \
kmem_free(__blkbuf, BP_SPRINTF_LEN); \
} \
_NOTE(CONSTCOND) } while (0)
#else