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btrfs: add helper for fs_info->closing

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wrap checking of filesystem 'closing' flag and fix a few missing memory
barriers.

Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
David Sterba
2011-05-31 18:07:27 +02:00
committed by Chris Mason
parent 4b9465cb9e
commit 7841cb2898
8 changed files with 20 additions and 16 deletions
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fs/btrfs/scrub.c
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@@ -1183,7 +1183,7 @@ int btrfs_scrub_dev(struct btrfs_root *root, u64 devid, u64 start, u64 end,
int ret;
struct btrfs_device *dev;
if (root->fs_info->closing)
if (btrfs_fs_closing(root->fs_info))
return -EINVAL;
/*