Brian Behlendorf ed97b4447d Adds the last missing block device support (merge_bdev support) ... This change should wrap up the last of the missing block device support in the vdev_disk layer. With this change I can now successfully create and use zpools which are layered on top of md and lvm virtual devices. The following changes include: 1) The big one, properly handle the case when page cannot be added to a bio due to dynamic limitation of a merge_bdev handler. For example the md device will limit a bio to the configured stripe size. Our bio size may also end up being limited by the maximum request size, and other factors determined during bio construction. To handle all of the above cases the code has been updated to handle failures from bio_add_page(). This had been hardcoded to never fail for the prototype proof of concept implementation. In the case of a failure the number of bytes which still need to be added to a bio are returned. New bio's are allocated and attached to the dio until the entire data buffer is mapped to bios. It is then submitted as before to the request queue, and once all the bio's attached to a dio have finished the completion callback is run. 2) The devid comments have been removed because it is not clear to me that we will not need devid support. They have been replaced with a comment explaining that udev can and should be used.		2009-10-27 14:38:38 -07:00
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include/sys	Merge commit 'refs/top-bases/linux-kernel-disk' into linux-kernel-disk	2009-08-18 12:34:09 -07:00
Makefile.in	Merge commit 'refs/top-bases/linux-kernel-disk' into linux-kernel-disk	2009-03-10 21:28:01 -07:00
arc.c	Merge branch 'gcc-branch' into refs/top-bases/zfs-branch	2009-07-07 15:50:13 -07:00
bplist.c	Move the world out of /zfs/ and seperate out module build tree	2008-12-11 11:08:09 -08:00
dbuf.c	Merge branch 'gcc-branch' into refs/top-bases/zfs-branch	2009-08-03 16:28:48 -07:00
dmu.c	Merge commit 'refs/top-bases/gcc-shadow' into gcc-shadow	2009-08-18 12:07:23 -07:00
dmu_object.c	Rebase master to b117	2009-07-02 15:44:48 -07:00
dmu_objset.c	Merge branch 'gcc-branch' into refs/top-bases/zfs-branch	2009-08-18 12:08:58 -07:00
dmu_send.c	Merge commit 'refs/top-bases/gcc-shadow' into gcc-shadow	2009-08-18 12:07:23 -07:00
dmu_traverse.c	Merge commit 'refs/top-bases/gcc-uninit' into gcc-uninit	2009-07-02 16:57:09 -07:00
dmu_tx.c	Merge branch 'gcc-branch' into refs/top-bases/zfs-branch	2009-08-18 12:08:58 -07:00
dmu_zfetch.c	Merge branch 'fix-branch' into refs/top-bases/zfs-branch	2009-03-19 15:29:34 -07:00
dnode.c	Merge branch 'gcc-branch' into refs/top-bases/zfs-branch	2009-08-18 12:08:58 -07:00
dnode_sync.c	Merge branch 'gcc-branch' into refs/top-bases/zfs-branch	2009-07-09 12:23:39 -07:00
dsl_dataset.c	Merge branch 'gcc-branch' into refs/top-bases/zfs-branch	2009-08-18 12:08:58 -07:00
dsl_deleg.c	Merge branch 'gcc-c90' into refs/top-bases/gcc-branch	2009-08-18 12:04:53 -07:00
dsl_dir.c	Merge branch 'gcc-c90' into refs/top-bases/gcc-branch	2009-08-18 12:04:53 -07:00
dsl_pool.c	Merge branch 'fix-clock-wrap' into refs/top-bases/fix-branch	2009-07-06 13:12:23 -07:00
dsl_prop.c	Merge branch 'gcc-c90' into refs/top-bases/gcc-branch	2009-08-18 12:04:53 -07:00
dsl_scrub.c	Merge commit 'refs/top-bases/gcc-c90' into gcc-c90	2009-08-18 11:55:36 -07:00
dsl_synctask.c	Merge branch 'gcc-ident-pragmas' into refs/top-bases/gcc-branch	2009-03-11 11:00:42 -07:00
fletcher.c	Merge branch 'gcc-c90' into refs/top-bases/gcc-branch	2009-07-02 16:49:11 -07:00
gzip.c	Merge branch 'gcc-branch' into refs/top-bases/zfs-branch	2009-03-11 11:09:11 -07:00
lzjb.c	Merge branch 'gcc-ident-pragmas' into refs/top-bases/gcc-branch	2009-03-11 11:00:42 -07:00
metaslab.c	Merge branch 'gcc-unused' into refs/top-bases/gcc-branch	2009-07-07 16:30:54 -07:00
refcount.c	Merge branch 'gcc-ident-pragmas' into refs/top-bases/gcc-branch	2009-03-11 11:00:42 -07:00
rrwlock.c	Rebase master to b121	2009-08-18 11:43:27 -07:00
sha256.c	Added 'gcc-ident-pragmas' branch.	2009-03-11 10:59:45 -07:00
spa.c	Merge commit 'refs/top-bases/gcc-uninit' into gcc-uninit	2009-08-18 12:06:21 -07:00
spa_boot.c	Added 'gcc-ident-pragmas' branch.	2009-03-11 10:59:45 -07:00
spa_config.c	Rebase master to b121	2009-08-18 11:43:27 -07:00
spa_errlog.c	Rebase master to b117	2009-07-02 15:44:48 -07:00
spa_history.c	Merge branch 'gcc-branch' into refs/top-bases/zfs-branch	2009-08-18 12:08:58 -07:00
spa_misc.c	Merge commit 'refs/top-bases/gcc-uninit' into gcc-uninit	2009-08-18 12:06:21 -07:00
space_map.c	Rebase master to b117	2009-07-02 15:44:48 -07:00
txg.c	Merge branch 'feature-branch' into refs/top-bases/zfs-branch	2009-08-04 15:54:19 -07:00
uberblock.c	Added 'gcc-ident-pragmas' branch.	2009-03-11 10:59:45 -07:00
unique.c	Added 'gcc-ident-pragmas' branch.	2009-03-11 10:59:45 -07:00
vdev.c	Merge branch 'gcc-branch' into refs/top-bases/zfs-branch	2009-08-18 14:18:34 -07:00
vdev_cache.c	Revert to original debugging code and wrap any variabled used only	2009-07-09 12:10:52 -07:00
vdev_disk.c	Adds the last missing block device support (merge_bdev support)	2009-10-27 14:38:38 -07:00
vdev_file.c	Rebase master to b105	2009-01-15 13:59:39 -08:00
vdev_label.c	Merge commit 'refs/top-bases/gcc-uninit' into gcc-uninit	2009-08-18 12:06:21 -07:00
vdev_mirror.c	Required build 121 updates for gcc-c90	2009-08-18 14:07:25 -07:00
vdev_missing.c	Move the world out of /zfs/ and seperate out module build tree	2008-12-11 11:08:09 -08:00
vdev_queue.c	Merge commit 'refs/top-bases/gcc-c90' into gcc-c90	2009-08-18 11:55:36 -07:00
vdev_raidz.c	Merge branch 'gcc-shadow' into refs/top-bases/gcc-branch	2009-08-18 14:18:32 -07:00
vdev_root.c	Required build 121 updates for gcc-c90	2009-08-18 14:07:25 -07:00
zap.c	Merge commit 'refs/top-bases/feature-zap-cursor-to-key' into feature-zap-cursor-to-key	2009-07-06 13:14:41 -07:00
zap_leaf.c	Merge commit 'refs/top-bases/gcc-uninit' into gcc-uninit	2009-07-02 16:57:09 -07:00
zap_micro.c	Merge branch 'gcc-branch' into refs/top-bases/zfs-branch	2009-08-18 12:08:58 -07:00
zfs_acl.c	Rebase master to b121	2009-08-18 11:43:27 -07:00
zfs_byteswap.c	Merge commit 'refs/top-bases/gcc-uninit' into gcc-uninit	2009-01-15 14:05:32 -08:00
zfs_ctldir.c	Rebase master to b121	2009-08-18 11:43:27 -07:00
zfs_dir.c	Rebase master to b117	2009-07-02 15:44:48 -07:00
zfs_fm.c	Rebase master to b117	2009-07-02 15:44:48 -07:00
zfs_fuid.c	Merge branch 'gcc-c90' into refs/top-bases/gcc-branch	2009-08-18 12:04:53 -07:00
zfs_ioctl.c	Merge branch 'gcc-c90' into refs/top-bases/gcc-branch	2009-08-18 12:04:53 -07:00
zfs_log.c	Rebase master to b117	2009-07-02 15:44:48 -07:00
zfs_replay.c	Added 'gcc-ident-pragmas' branch.	2009-03-11 10:59:45 -07:00
zfs_rlock.c	Rebase master to b108	2009-02-18 12:51:31 -08:00
zfs_vfsops.c	Rebase master to b121	2009-08-18 11:43:27 -07:00
zfs_vnops.c	Rebase master to b121	2009-08-18 11:43:27 -07:00
zfs_znode.c	Merge branch 'gcc-branch' into refs/top-bases/zfs-branch	2009-08-18 12:08:58 -07:00
zil.c	Rebase master to b121	2009-08-18 11:43:27 -07:00
zio.c	Merge branch 'gcc-branch' into refs/top-bases/zfs-branch	2009-07-10 10:50:12 -07:00
zio_checksum.c	Move the world out of /zfs/ and seperate out module build tree	2008-12-11 11:08:09 -08:00
zio_compress.c	Added 'gcc-ident-pragmas' branch.	2009-03-11 10:59:45 -07:00
zio_inject.c	Rebase master to b117	2009-07-02 15:44:48 -07:00
zvol.c	Rebase master to b117	2009-07-02 15:44:48 -07:00