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Btrfs: Throttle file_write when data=ordered is flushing the inode

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2008-04-25 08:51:48 -04:00
parent bce4eae986
commit 81d7ed29ff
6 changed files with 28 additions and 2 deletions
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10
fs/btrfs/transaction.c
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@@ -512,8 +512,11 @@ int btrfs_write_ordered_inodes(struct btrfs_trans_handle *trans,
mutex_unlock(&root->fs_info->trans_mutex);
mutex_unlock(&root->fs_info->fs_mutex);
if (S_ISREG(inode->i_mode))
if (S_ISREG(inode->i_mode)) {
atomic_inc(&BTRFS_I(inode)->ordered_writeback);
filemap_fdatawrite(inode->i_mapping);
atomic_dec(&BTRFS_I(inode)->ordered_writeback);
}
iput(inode);
mutex_lock(&root->fs_info->fs_mutex);
@@ -530,8 +533,11 @@ int btrfs_write_ordered_inodes(struct btrfs_trans_handle *trans,
mutex_unlock(&root->fs_info->trans_mutex);
mutex_unlock(&root->fs_info->fs_mutex);
if (S_ISREG(inode->i_mode))
if (S_ISREG(inode->i_mode)) {
atomic_inc(&BTRFS_I(inode)->ordered_writeback);
filemap_write_and_wait(inode->i_mapping);
atomic_dec(&BTRFS_I(inode)->ordered_writeback);
}
atomic_dec(&inode->i_count);
iput(inode);