diff options
Diffstat (limited to 'sys-kernel/zfs-dkms/files/eb17f92e1edabcde442e5fbdff4525054be8595.diff')
| -rw-r--r-- | sys-kernel/zfs-dkms/files/eb17f92e1edabcde442e5fbdff4525054be8595.diff | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/sys-kernel/zfs-dkms/files/eb17f92e1edabcde442e5fbdff4525054be8595.diff b/sys-kernel/zfs-dkms/files/eb17f92e1edabcde442e5fbdff4525054be8595.diff new file mode 100644 index 00000000..1e72ebaf --- /dev/null +++ b/sys-kernel/zfs-dkms/files/eb17f92e1edabcde442e5fbdff4525054be8595.diff @@ -0,0 +1,133 @@ +diff --git a/config/kernel-make-request-fn.m4 b/config/kernel-make-request-fn.m4 +index 290ef6b8da7..86b202a7a27 100644 +--- a/config/kernel-make-request-fn.m4 ++++ b/config/kernel-make-request-fn.m4 +@@ -42,6 +42,13 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_MAKE_REQUEST_FN], [ + struct block_device_operations o; + o.submit_bio = NULL; + ]) ++ ++ ZFS_LINUX_TEST_SRC([blk_alloc_disk], [ ++ #include <linux/blkdev.h> ++ ],[ ++ struct gendisk *disk __attribute__ ((unused)); ++ disk = blk_alloc_disk(NUMA_NO_NODE); ++ ]) + ]) + + AC_DEFUN([ZFS_AC_KERNEL_MAKE_REQUEST_FN], [ +@@ -56,6 +63,19 @@ AC_DEFUN([ZFS_AC_KERNEL_MAKE_REQUEST_FN], [ + + AC_DEFINE(HAVE_SUBMIT_BIO_IN_BLOCK_DEVICE_OPERATIONS, 1, + [submit_bio is member of struct block_device_operations]) ++ ++ dnl # ++ dnl # Linux 5.14 API Change: ++ dnl # blk_alloc_queue() + alloc_disk() combo replaced by ++ dnl # a single call to blk_alloc_disk(). ++ dnl # ++ AC_MSG_CHECKING([whether blk_alloc_disk() exists]) ++ ZFS_LINUX_TEST_RESULT([blk_alloc_disk], [ ++ AC_MSG_RESULT(yes) ++ AC_DEFINE([HAVE_BLK_ALLOC_DISK], 1, [blk_alloc_disk() exists]) ++ ], [ ++ AC_MSG_RESULT(no) ++ ]) + ],[ + AC_MSG_RESULT(no) + +diff --git a/module/os/linux/zfs/zvol_os.c b/module/os/linux/zfs/zvol_os.c +index 741979f11af..8b29d73a3e0 100644 +--- a/module/os/linux/zfs/zvol_os.c ++++ b/module/os/linux/zfs/zvol_os.c +@@ -762,7 +762,7 @@ static struct block_device_operations zvol_ops = { + .getgeo = zvol_getgeo, + .owner = THIS_MODULE, + #ifdef HAVE_SUBMIT_BIO_IN_BLOCK_DEVICE_OPERATIONS +- .submit_bio = zvol_submit_bio, ++ .submit_bio = zvol_submit_bio, + #endif + }; + +@@ -795,13 +795,40 @@ zvol_alloc(dev_t dev, const char *name) + mutex_init(&zv->zv_state_lock, NULL, MUTEX_DEFAULT, NULL); + + #ifdef HAVE_SUBMIT_BIO_IN_BLOCK_DEVICE_OPERATIONS ++#ifdef HAVE_BLK_ALLOC_DISK ++ zso->zvo_disk = blk_alloc_disk(NUMA_NO_NODE); ++ if (zso->zvo_disk == NULL) ++ goto out_kmem; ++ ++ zso->zvo_disk->minors = ZVOL_MINORS; ++ zso->zvo_queue = zso->zvo_disk->queue; ++#else + zso->zvo_queue = blk_alloc_queue(NUMA_NO_NODE); ++ if (zso->zvo_queue == NULL) ++ goto out_kmem; ++ ++ zso->zvo_disk = alloc_disk(ZVOL_MINORS); ++ if (zso->zvo_disk == NULL) { ++ blk_cleanup_queue(zso->zvo_queue); ++ goto out_kmem; ++ } ++ ++ zso->zvo_disk->queue = zso->zvo_queue; ++#endif /* HAVE_BLK_ALLOC_DISK */ + #else + zso->zvo_queue = blk_generic_alloc_queue(zvol_request, NUMA_NO_NODE); +-#endif + if (zso->zvo_queue == NULL) + goto out_kmem; + ++ zso->zvo_disk = alloc_disk(ZVOL_MINORS); ++ if (zso->zvo_disk == NULL) { ++ blk_cleanup_queue(zso->zvo_queue); ++ goto out_kmem; ++ } ++ ++ zso->zvo_disk->queue = zso->zvo_queue; ++#endif /* HAVE_SUBMIT_BIO_IN_BLOCK_DEVICE_OPERATIONS */ ++ + blk_queue_set_write_cache(zso->zvo_queue, B_TRUE, B_TRUE); + + /* Limit read-ahead to a single page to prevent over-prefetching. */ +@@ -810,10 +837,6 @@ zvol_alloc(dev_t dev, const char *name) + /* Disable write merging in favor of the ZIO pipeline. */ + blk_queue_flag_set(QUEUE_FLAG_NOMERGES, zso->zvo_queue); + +- zso->zvo_disk = alloc_disk(ZVOL_MINORS); +- if (zso->zvo_disk == NULL) +- goto out_queue; +- + zso->zvo_queue->queuedata = zv; + zso->zvo_dev = dev; + zv->zv_open_count = 0; +@@ -844,14 +867,11 @@ zvol_alloc(dev_t dev, const char *name) + zso->zvo_disk->first_minor = (dev & MINORMASK); + zso->zvo_disk->fops = &zvol_ops; + zso->zvo_disk->private_data = zv; +- zso->zvo_disk->queue = zso->zvo_queue; + snprintf(zso->zvo_disk->disk_name, DISK_NAME_LEN, "%s%d", + ZVOL_DEV_NAME, (dev & MINORMASK)); + + return (zv); + +-out_queue: +- blk_cleanup_queue(zso->zvo_queue); + out_kmem: + kmem_free(zso, sizeof (struct zvol_state_os)); + kmem_free(zv, sizeof (zvol_state_t)); +@@ -882,8 +902,13 @@ zvol_free(zvol_state_t *zv) + zfs_rangelock_fini(&zv->zv_rangelock); + + del_gendisk(zv->zv_zso->zvo_disk); ++#if defined(HAVE_SUBMIT_BIO_IN_BLOCK_DEVICE_OPERATIONS) && \ ++ defined(HAVE_BLK_ALLOC_DISK) ++ blk_cleanup_disk(zv->zv_zso->zvo_disk); ++#else + blk_cleanup_queue(zv->zv_zso->zvo_queue); + put_disk(zv->zv_zso->zvo_disk); ++#endif + + ida_simple_remove(&zvol_ida, + MINOR(zv->zv_zso->zvo_dev) >> ZVOL_MINOR_BITS); |