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Replace "iothread lock" with "BQL" in comments

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The term "iothread lock" is obsolete. The APIs use Big QEMU Lock (BQL)
in their names. Update the code comments to use "BQL" instead of
"iothread lock".

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Message-id: 20240102153529.486531-5-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi
2024-01-02 10:35:28 -05:00
parent 7c754c787e
commit a4a411fbaf
21 changed files with 47 additions and 47 deletions
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22
migration/block.c
View File

@@ -101,7 +101,7 @@ typedef struct BlkMigState {
int prev_progress;
int bulk_completed;
/* Lock must be taken _inside_ the iothread lock. */
/* Lock must be taken _inside_ the BQL. */
QemuMutex lock;
} BlkMigState;
@@ -117,7 +117,7 @@ static void blk_mig_unlock(void)
qemu_mutex_unlock(&block_mig_state.lock);
}
/* Must run outside of the iothread lock during the bulk phase,
/* Must run outside of the BQL during the bulk phase,
* or the VM will stall.
*/
@@ -327,7 +327,7 @@ static int mig_save_device_bulk(QEMUFile *f, BlkMigDevState *bmds)
return (bmds->cur_sector >= total_sectors);
}
/* Called with iothread lock taken. */
/* Called with the BQL taken. */
static int set_dirty_tracking(void)
{
@@ -354,7 +354,7 @@ fail:
return ret;
}
/* Called with iothread lock taken. */
/* Called with the BQL taken. */
static void unset_dirty_tracking(void)
{
@@ -505,7 +505,7 @@ static void blk_mig_reset_dirty_cursor(void)
}
}
/* Called with iothread lock taken. */
/* Called with the BQL taken. */
static int mig_save_device_dirty(QEMUFile *f, BlkMigDevState *bmds,
int is_async)
@@ -587,7 +587,7 @@ error:
return ret;
}
/* Called with iothread lock taken.
/* Called with the BQL taken.
*
* return value:
* 0: too much data for max_downtime
@@ -649,7 +649,7 @@ static int flush_blks(QEMUFile *f)
return ret;
}
/* Called with iothread lock taken. */
/* Called with the BQL taken. */
static int64_t get_remaining_dirty(void)
{
@@ -667,7 +667,7 @@ static int64_t get_remaining_dirty(void)
/* Called with iothread lock taken. */
/* Called with the BQL taken. */
static void block_migration_cleanup_bmds(void)
{
BlkMigDevState *bmds;
@@ -690,7 +690,7 @@ static void block_migration_cleanup_bmds(void)
}
}
/* Called with iothread lock taken. */
/* Called with the BQL taken. */
static void block_migration_cleanup(void *opaque)
{
BlkMigBlock *blk;
@@ -767,7 +767,7 @@ static int block_save_iterate(QEMUFile *f, void *opaque)
}
ret = 0;
} else {
/* Always called with iothread lock taken for
/* Always called with the BQL taken for
* simplicity, block_save_complete also calls it.
*/
bql_lock();
@@ -795,7 +795,7 @@ static int block_save_iterate(QEMUFile *f, void *opaque)
return (delta_bytes > 0);
}
/* Called with iothread lock taken. */
/* Called with the BQL taken. */
static int block_save_complete(QEMUFile *f, void *opaque)
{