diff options
Diffstat (limited to 'fs/btrfs/dev-replace.c')
| -rw-r--r-- | fs/btrfs/dev-replace.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index 2cfc3df..9efb94e 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -26,6 +26,7 @@ #include <linux/kthread.h> #include <linux/math64.h> #include <asm/div64.h> +#include "compat.h" #include "ctree.h" #include "extent_map.h" #include "disk-io.h" @@ -37,6 +38,7 @@ #include "rcu-string.h" #include "dev-replace.h" +static u64 btrfs_get_seconds_since_1970(void); static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info, int scrub_ret); static void btrfs_dev_replace_update_device_in_mapping_tree( @@ -294,6 +296,13 @@ void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info) dev_replace->cursor_left_last_write_of_item; } +static u64 btrfs_get_seconds_since_1970(void) +{ + struct timespec t = CURRENT_TIME_SEC; + + return t.tv_sec; +} + int btrfs_dev_replace_start(struct btrfs_root *root, struct btrfs_ioctl_dev_replace_args *args) { @@ -366,7 +375,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root, dev_replace->tgtdev = tgt_device; printk_in_rcu(KERN_INFO - "btrfs: dev_replace from %s (devid %llu) to %s started\n", + "btrfs: dev_replace from %s (devid %llu) to %s) started\n", src_device->missing ? "<missing disk>" : rcu_str_deref(src_device->name), src_device->devid, @@ -381,7 +390,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root, * go to the tgtdev as well (refer to btrfs_map_block()). */ dev_replace->replace_state = BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED; - dev_replace->time_started = get_seconds(); + dev_replace->time_started = btrfs_get_seconds_since_1970(); dev_replace->cursor_left = 0; dev_replace->committed_cursor_left = 0; dev_replace->cursor_left_last_write_of_item = 0; @@ -391,7 +400,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root, args->result = BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR; btrfs_dev_replace_unlock(dev_replace); - btrfs_wait_ordered_roots(root->fs_info, -1); + btrfs_wait_all_ordered_extents(root->fs_info); /* force writing the updated state information to disk */ trans = btrfs_start_transaction(root, 0); @@ -461,12 +470,12 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info, * flush all outstanding I/O and inode extent mappings before the * copy operation is declared as being finished */ - ret = btrfs_start_delalloc_roots(root->fs_info, 0); + ret = btrfs_start_all_delalloc_inodes(root->fs_info, 0); if (ret) { mutex_unlock(&dev_replace->lock_finishing_cancel_unmount); return ret; } - btrfs_wait_ordered_roots(root->fs_info, -1); + btrfs_wait_all_ordered_extents(root->fs_info); trans = btrfs_start_transaction(root, 0); if (IS_ERR(trans)) { @@ -484,7 +493,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info, : BTRFS_IOCTL_DEV_REPLACE_STATE_FINISHED; dev_replace->tgtdev = NULL; dev_replace->srcdev = NULL; - dev_replace->time_stopped = get_seconds(); + dev_replace->time_stopped = btrfs_get_seconds_since_1970(); dev_replace->item_needs_writeback = 1; if (scrub_ret) { @@ -641,9 +650,6 @@ static u64 __btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info) u64 result; int ret; - if (fs_info->sb->s_flags & MS_RDONLY) - return -EROFS; - mutex_lock(&dev_replace->lock_finishing_cancel_unmount); btrfs_dev_replace_lock(dev_replace); switch (dev_replace->replace_state) { @@ -662,7 +668,7 @@ static u64 __btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info) break; } dev_replace->replace_state = BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED; - dev_replace->time_stopped = get_seconds(); + dev_replace->time_stopped = btrfs_get_seconds_since_1970(); dev_replace->item_needs_writeback = 1; btrfs_dev_replace_unlock(dev_replace); btrfs_scrub_cancel(fs_info); @@ -697,7 +703,7 @@ void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info) case BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED: dev_replace->replace_state = BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED; - dev_replace->time_stopped = get_seconds(); + dev_replace->time_stopped = btrfs_get_seconds_since_1970(); dev_replace->item_needs_writeback = 1; pr_info("btrfs: suspending dev_replace for unmount\n"); break; |