FreeBSD: Touch up comments in zvol_os

Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Alexander Motin <[email protected]>
Signed-off-by: Ryan Moeller <[email protected]>
Closes #12934

1 files changed, 20 insertions, 20 deletions

diff --git a/module/os/freebsd/zfs/zvol_os.c b/module/os/freebsd/zfs/zvol_os.c
index 820ccc466..8785557cb 100644
--- a/module/os/freebsd/zfs/zvol_os.c
+++ b/module/os/freebsd/zfs/zvol_os.c
@@ -213,12 +213,12 @@ zvol_geom_open(struct g_provider *pp, int flag, int count)
 
 	if (!zpool_on_zvol && tsd_get(zfs_geom_probe_vdev_key) != NULL) {
 		/*
-		 * if zfs_geom_probe_vdev_key is set, that means that zfs is
+		 * If zfs_geom_probe_vdev_key is set, that means that zfs is
 		 * attempting to probe geom providers while looking for a
 		 * replacement for a missing VDEV.  In this case, the
 		 * spa_namespace_lock will not be held, but it is still illegal
 		 * to use a zvol as a vdev.  Deadlocks can result if another
-		 * thread has spa_namespace_lock
+		 * thread has spa_namespace_lock.
 		 */
 		return (SET_ERROR(EOPNOTSUPP));
 	}
@@ -247,9 +247,9 @@ retry:
 	ASSERT3S(zv->zv_volmode, ==, ZFS_VOLMODE_GEOM);
 
 	/*
-	 * make sure zvol is not suspended during first open
+	 * Make sure zvol is not suspended during first open
 	 * (hold zv_suspend_lock) and respect proper lock acquisition
-	 * ordering - zv_suspend_lock before zv_state_lock
+	 * ordering - zv_suspend_lock before zv_state_lock.
 	 */
 	if (zv->zv_open_count == 0) {
 		drop_suspend = B_TRUE;
@@ -257,7 +257,7 @@ retry:
 			mutex_exit(&zv->zv_state_lock);
 			rw_enter(&zv->zv_suspend_lock, ZVOL_RW_READER);
 			mutex_enter(&zv->zv_state_lock);
-			/* check to see if zv_suspend_lock is needed */
+			/* Check to see if zv_suspend_lock is needed. */
 			if (zv->zv_open_count != 0) {
 				rw_exit(&zv->zv_suspend_lock);
 				drop_suspend = B_FALSE;
@@ -366,9 +366,9 @@ zvol_geom_close(struct g_provider *pp, int flag, int count)
 	ASSERT3U(zv->zv_open_count, >, 0);
 
 	/*
-	 * make sure zvol is not suspended during last close
+	 * Make sure zvol is not suspended during last close
 	 * (hold zv_suspend_lock) and respect proper lock acquisition
-	 * ordering - zv_suspend_lock before zv_state_lock
+	 * ordering - zv_suspend_lock before zv_state_lock.
 	 */
 	new_open_count = zv->zv_open_count - count;
 	if (new_open_count == 0) {
@@ -376,7 +376,7 @@ zvol_geom_close(struct g_provider *pp, int flag, int count)
 			mutex_exit(&zv->zv_state_lock);
 			rw_enter(&zv->zv_suspend_lock, ZVOL_RW_READER);
 			mutex_enter(&zv->zv_state_lock);
-			/* check to see if zv_suspend_lock is needed */
+			/* Check to see if zv_suspend_lock is needed. */
 			new_open_count = zv->zv_open_count - count;
 			if (new_open_count != 0) {
 				rw_exit(&zv->zv_suspend_lock);
@@ -707,7 +707,7 @@ zvol_geom_bio_strategy(struct bio *bp)
 			}
 		}
 		if (error) {
-			/* convert checksum errors into IO errors */
+			/* Convert checksum errors into IO errors. */
 			if (error == ECKSUM)
 				error = SET_ERROR(EIO);
 			break;
@@ -785,13 +785,13 @@ zvol_cdev_read(struct cdev *dev, struct uio *uio_s, int ioflag)
 	while (zfs_uio_resid(&uio) > 0 && zfs_uio_offset(&uio) < volsize) {
 		uint64_t bytes = MIN(zfs_uio_resid(&uio), DMU_MAX_ACCESS >> 1);
 
-		/* don't read past the end */
+		/* Don't read past the end. */
 		if (bytes > volsize - zfs_uio_offset(&uio))
 			bytes = volsize - zfs_uio_offset(&uio);
 
 		error =  dmu_read_uio_dnode(zv->zv_dn, &uio, bytes);
 		if (error) {
-			/* convert checksum errors into IO errors */
+			/* Convert checksum errors into IO errors. */
 			if (error == ECKSUM)
 				error = SET_ERROR(EIO);
 			break;
@@ -838,7 +838,7 @@ zvol_cdev_write(struct cdev *dev, struct uio *uio_s, int ioflag)
 		uint64_t off = zfs_uio_offset(&uio);
 		dmu_tx_t *tx = dmu_tx_create(zv->zv_objset);
 
-		if (bytes > volsize - off)	/* don't write past the end */
+		if (bytes > volsize - off)	/* Don't write past the end. */
 			bytes = volsize - off;
 
 		dmu_tx_hold_write_by_dnode(tx, zv->zv_dn, off, bytes);
@@ -896,9 +896,9 @@ retry:
 	ASSERT3S(zv->zv_volmode, ==, ZFS_VOLMODE_DEV);
 
 	/*
-	 * make sure zvol is not suspended during first open
+	 * Make sure zvol is not suspended during first open
 	 * (hold zv_suspend_lock) and respect proper lock acquisition
-	 * ordering - zv_suspend_lock before zv_state_lock
+	 * ordering - zv_suspend_lock before zv_state_lock.
 	 */
 	if (zv->zv_open_count == 0) {
 		drop_suspend = B_TRUE;
@@ -906,7 +906,7 @@ retry:
 			mutex_exit(&zv->zv_state_lock);
 			rw_enter(&zv->zv_suspend_lock, ZVOL_RW_READER);
 			mutex_enter(&zv->zv_state_lock);
-			/* check to see if zv_suspend_lock is needed */
+			/* Check to see if zv_suspend_lock is needed. */
 			if (zv->zv_open_count != 0) {
 				rw_exit(&zv->zv_suspend_lock);
 				drop_suspend = B_FALSE;
@@ -1012,16 +1012,16 @@ zvol_cdev_close(struct cdev *dev, int flags, int fmt, struct thread *td)
 	 */
 	ASSERT3U(zv->zv_open_count, >, 0);
 	/*
-	 * make sure zvol is not suspended during last close
+	 * Make sure zvol is not suspended during last close
 	 * (hold zv_suspend_lock) and respect proper lock acquisition
-	 * ordering - zv_suspend_lock before zv_state_lock
+	 * ordering - zv_suspend_lock before zv_state_lock.
 	 */
 	if (zv->zv_open_count == 1) {
 		if (!rw_tryenter(&zv->zv_suspend_lock, ZVOL_RW_READER)) {
 			mutex_exit(&zv->zv_state_lock);
 			rw_enter(&zv->zv_suspend_lock, ZVOL_RW_READER);
 			mutex_enter(&zv->zv_state_lock);
-			/* check to see if zv_suspend_lock is needed */
+			/* Check to see if zv_suspend_lock is needed. */
 			if (zv->zv_open_count != 1) {
 				rw_exit(&zv->zv_suspend_lock);
 				drop_suspend = B_FALSE;
@@ -1216,7 +1216,7 @@ zvol_rename_minor(zvol_state_t *zv, const char *newname)
 	ASSERT(RW_LOCK_HELD(&zvol_state_lock));
 	ASSERT(MUTEX_HELD(&zv->zv_state_lock));
 
-	/* move to new hashtable entry  */
+	/* Move to a new hashtable entry.  */
 	zv->zv_hash = zvol_name_hash(zv->zv_name);
 	hlist_del(&zv->zv_hlink);
 	hlist_add_head(&zv->zv_hlink, ZVOL_HT_HEAD(zv->zv_hash));
@@ -1346,7 +1346,7 @@ zvol_create_minor_impl(const char *name)
 
 	doi = kmem_alloc(sizeof (dmu_object_info_t), KM_SLEEP);
 
-	/* lie and say we're read-only */
+	/* Lie and say we're read-only. */
 	error = dmu_objset_own(name, DMU_OST_ZVOL, B_TRUE, B_TRUE, FTAG, &os);
 	if (error)
 		goto out_doi;