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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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3
fs/btrfs/inode.c
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@@ -4266,8 +4266,7 @@ int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc)
if (BTRFS_I(inode)->dummy_inode)
return 0;
smp_mb();
if (root->fs_info->closing && is_free_space_inode(root, inode))
if (btrfs_fs_closing(root->fs_info) && is_free_space_inode(root, inode))
nolock = true;
if (wbc->sync_mode == WB_SYNC_ALL) {