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| author | Chris Mason <chris.mason@oracle.com> | 2008-04-25 08:51:48 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:04:02 -0400 |
| commit | 81d7ed29ff6bdec903c36c26b386e16c014993b2 (patch) | |
| tree | 561f6d5b85c9af14acc97ec45b6ce6622c3ec3f4 /fs/btrfs/ordered-data.c | |
| parent | bce4eae9864e6b6ebde5d7f05576ff0a6c3724d0 (diff) | |
| download | op-kernel-dev-81d7ed29ff6bdec903c36c26b386e16c014993b2.zip op-kernel-dev-81d7ed29ff6bdec903c36c26b386e16c014993b2.tar.gz | |
Btrfs: Throttle file_write when data=ordered is flushing the inode
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ordered-data.c')
| -rw-r--r-- | fs/btrfs/ordered-data.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 3ee51e1..b474902 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -269,3 +269,16 @@ int btrfs_del_ordered_inode(struct inode *inode) return ret; } +int btrfs_ordered_throttle(struct btrfs_root *root, struct inode *inode) +{ + struct btrfs_transaction *cur = root->fs_info->running_transaction; + while(cur == root->fs_info->running_transaction && + atomic_read(&BTRFS_I(inode)->ordered_writeback)) { +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18) + congestion_wait(WRITE, HZ/20); +#else + blk_congestion_wait(WRITE, HZ/20); +#endif + } + return 0; +} |
