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| author | Peng Tao <bergwolf@gmail.com> | 2011-10-24 07:21:17 +0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-10-31 19:51:28 +0400 |
| commit | 92407e75ce45b41c46944891711fd8faf0714d84 (patch) | |
| tree | 6616482a99f4b328f2a2acc853af20f273faf08f /include/linux/nfs_fs.h | |
| parent | e20de377578e9504f8467c05ab1db98b4935d4ed (diff) | |
| download | linux-92407e75ce45b41c46944891711fd8faf0714d84.tar.xz | |
nfs4: serialize layoutcommit
Current pnfs_layoutcommit_inode can not handle parallel layoutcommit.
And as Trond suggested , there is no need for client to optimize for
parallel layoutcommit. So add NFS_INO_LAYOUTCOMMITTING flag to
mark inflight layoutcommit and serialize lalyoutcommit with it.
Also mark_inode_dirty_sync if pnfs_layoutcommit_inode fails to issue
layoutcommit.
Reported-by: Vitaliy Gusev <gusev.vitaliy@nexenta.com>
Signed-off-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Jim Rees <rees@umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/nfs_fs.h')
| -rw-r--r-- | include/linux/nfs_fs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 60a137b7f171..ab2c6343361a 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -229,6 +229,7 @@ struct nfs_inode { #define NFS_INO_COMMIT (7) /* inode is committing unstable writes */ #define NFS_INO_PNFS_COMMIT (8) /* use pnfs code for commit */ #define NFS_INO_LAYOUTCOMMIT (9) /* layoutcommit required */ +#define NFS_INO_LAYOUTCOMMITTING (10) /* layoutcommit inflight */ static inline struct nfs_inode *NFS_I(const struct inode *inode) { |