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authorChris Mason <clm@fb.com>2015-10-13 01:24:15 +0200
committerChris Mason <clm@fb.com>2015-10-13 01:24:15 +0200
commit62fb50ab7c903357c92cef2f7677235b92ac575f (patch)
tree28f66d4e2c14b508b6b24795bfadf11aaada2d75 /fs/btrfs/dev-replace.c
parentMerge branch 'cleanup/messages' of git://git.kernel.org/pub/scm/linux/kernel/... (diff)
parentBtrfs: move kobj stuff out of dev_replace lock range (diff)
downloadlinux-62fb50ab7c903357c92cef2f7677235b92ac575f.tar.xz
linux-62fb50ab7c903357c92cef2f7677235b92ac575f.zip
Merge branch 'anand/sysfs-updates-v4.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.4
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/dev-replace.c')
-rw-r--r--fs/btrfs/dev-replace.c36
1 files changed, 18 insertions, 18 deletions
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index ede1c1ad0baf..a64ca942b63f 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -327,19 +327,6 @@ int btrfs_dev_replace_start(struct btrfs_root *root,
args->start.tgtdev_name[0] == '\0')
return -EINVAL;
- /*
- * Here we commit the transaction to make sure commit_total_bytes
- * of all the devices are updated.
- */
- trans = btrfs_attach_transaction(root);
- if (!IS_ERR(trans)) {
- ret = btrfs_commit_transaction(trans, root);
- if (ret)
- return ret;
- } else if (PTR_ERR(trans) != -ENOENT) {
- return PTR_ERR(trans);
- }
-
/* the disk copy procedure reuses the scrub code */
mutex_lock(&fs_info->volume_mutex);
ret = btrfs_dev_replace_find_srcdev(root, args->start.srcdevid,
@@ -356,6 +343,19 @@ int btrfs_dev_replace_start(struct btrfs_root *root,
if (ret)
return ret;
+ /*
+ * Here we commit the transaction to make sure commit_total_bytes
+ * of all the devices are updated.
+ */
+ trans = btrfs_attach_transaction(root);
+ if (!IS_ERR(trans)) {
+ ret = btrfs_commit_transaction(trans, root);
+ if (ret)
+ return ret;
+ } else if (PTR_ERR(trans) != -ENOENT) {
+ return PTR_ERR(trans);
+ }
+
btrfs_dev_replace_lock(dev_replace);
switch (dev_replace->replace_state) {
case BTRFS_IOCTL_DEV_REPLACE_STATE_NEVER_STARTED:
@@ -375,10 +375,6 @@ int btrfs_dev_replace_start(struct btrfs_root *root,
WARN_ON(!tgt_device);
dev_replace->tgtdev = tgt_device;
- ret = btrfs_kobj_add_device(tgt_device->fs_devices, tgt_device);
- if (ret)
- btrfs_err(root->fs_info, "kobj add dev failed %d\n", ret);
-
btrfs_info_in_rcu(root->fs_info,
"dev_replace from %s (devid %llu) to %s started",
src_device->missing ? "<missing disk>" :
@@ -401,6 +397,10 @@ int btrfs_dev_replace_start(struct btrfs_root *root,
args->result = BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR;
btrfs_dev_replace_unlock(dev_replace);
+ ret = btrfs_sysfs_add_device_link(tgt_device->fs_devices, tgt_device);
+ if (ret)
+ btrfs_err(root->fs_info, "kobj add dev failed %d\n", ret);
+
btrfs_wait_ordered_roots(root->fs_info, -1);
/* force writing the updated state information to disk */
@@ -586,7 +586,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
mutex_unlock(&uuid_mutex);
/* replace the sysfs entry */
- btrfs_kobj_rm_device(fs_info->fs_devices, src_device);
+ btrfs_sysfs_rm_device_link(fs_info->fs_devices, src_device);
btrfs_rm_dev_replace_free_srcdev(fs_info, src_device);
/* write back the superblocks */