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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-06-25 16:35:53 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-07-30 14:41:56 -0400 |
| commit | f11ac8db5d07b6e99d41ff4aa39d878ee5cef1c5 (patch) | |
| tree | 4393cbc2653145ba3269d5143f5db7811a59698b /include | |
| parent | 1f0e890dba5b0f543fea47732116b1c65d55614e (diff) | |
| download | linux-f11ac8db5d07b6e99d41ff4aa39d878ee5cef1c5.tar.gz linux-f11ac8db5d07b6e99d41ff4aa39d878ee5cef1c5.tar.bz2 linux-f11ac8db5d07b6e99d41ff4aa39d878ee5cef1c5.zip | |
NFSv4: Ensure that we track the NFSv4 lock state in read/write requests.
This patch fixes bugzilla entry 14501:
https://bugzilla.kernel.org/show_bug.cgi?id=14501
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/nfs_fs.h | 13 | ||||
| -rw-r--r-- | include/linux/nfs_page.h | 1 | ||||
| -rw-r--r-- | include/linux/nfs_xdr.h | 2 |
3 files changed, 14 insertions, 2 deletions
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 77c2ae53431c..a9d802615082 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -72,13 +72,20 @@ struct nfs_access_entry { int mask; }; +struct nfs_lock_context { + atomic_t count; + struct list_head list; + struct nfs_open_context *open_context; + fl_owner_t lockowner; + pid_t pid; +}; + struct nfs4_state; struct nfs_open_context { - atomic_t count; + struct nfs_lock_context lock_context; struct path path; struct rpc_cred *cred; struct nfs4_state *state; - fl_owner_t lockowner; fmode_t mode; unsigned long flags; @@ -353,6 +360,8 @@ extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr); extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx); extern void put_nfs_open_context(struct nfs_open_context *ctx); extern struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_cred *cred, fmode_t mode); +extern struct nfs_lock_context *nfs_get_lock_context(struct nfs_open_context *ctx); +extern void nfs_put_lock_context(struct nfs_lock_context *l_ctx); extern u64 nfs_compat_user_ino64(u64 fileid); extern void nfs_fattr_init(struct nfs_fattr *fattr); diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h index 3c60685d972b..f8b60e7f4c44 100644 --- a/include/linux/nfs_page.h +++ b/include/linux/nfs_page.h @@ -39,6 +39,7 @@ struct nfs_page { struct list_head wb_list; /* Defines state of page: */ struct page *wb_page; /* page to read in/write out */ struct nfs_open_context *wb_context; /* File state context info */ + struct nfs_lock_context *wb_lock_context; /* lock context info */ atomic_t wb_complete; /* i/os we're waiting for */ pgoff_t wb_index; /* Offset >> PAGE_CACHE_SHIFT */ unsigned int wb_offset, /* Offset & ~PAGE_CACHE_MASK */ diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index a319cb926abf..87202c7026e3 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -334,6 +334,7 @@ struct nfs4_delegreturnres { struct nfs_readargs { struct nfs_fh * fh; struct nfs_open_context *context; + struct nfs_lock_context *lock_context; __u64 offset; __u32 count; unsigned int pgbase; @@ -354,6 +355,7 @@ struct nfs_readres { struct nfs_writeargs { struct nfs_fh * fh; struct nfs_open_context *context; + struct nfs_lock_context *lock_context; __u64 offset; __u32 count; enum nfs3_stable_how stable; |