diff options
Diffstat (limited to 'fs/cifs/cifsglob.h')
| -rw-r--r-- | fs/cifs/cifsglob.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 38118938f0b6..cfa14c80ef3b 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -373,11 +373,12 @@ struct smb_version_operations { /* if we can do cache read operations */ bool (*is_read_op)(__u32); /* set oplock level for the inode */ - void (*set_oplock_level)(struct cifsInodeInfo *, __u32); + void (*set_oplock_level)(struct cifsInodeInfo *, __u32, unsigned int, + bool *); /* create lease context buffer for CREATE request */ char * (*create_lease_buf)(u8 *, u8); - /* parse lease context buffer and return oplock info */ - __u8 (*parse_lease_buf)(void *); + /* parse lease context buffer and return oplock/epoch info */ + __u8 (*parse_lease_buf)(void *, unsigned int *); }; struct smb_version_values { @@ -940,6 +941,8 @@ struct cifs_fid { __u8 lease_key[SMB2_LEASE_KEY_SIZE]; /* lease key for smb2 */ #endif struct cifs_pending_open *pending_open; + unsigned int epoch; + bool purge_cache; }; struct cifs_fid_locks { @@ -1039,7 +1042,10 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file); #define CIFS_CACHE_READ_FLG 1 #define CIFS_CACHE_HANDLE_FLG 2 +#define CIFS_CACHE_RH_FLG (CIFS_CACHE_READ_FLG | CIFS_CACHE_HANDLE_FLG) #define CIFS_CACHE_WRITE_FLG 4 +#define CIFS_CACHE_RW_FLG (CIFS_CACHE_READ_FLG | CIFS_CACHE_WRITE_FLG) +#define CIFS_CACHE_RHW_FLG (CIFS_CACHE_RW_FLG | CIFS_CACHE_HANDLE_FLG) #define CIFS_CACHE_READ(cinode) (cinode->oplock & CIFS_CACHE_READ_FLG) #define CIFS_CACHE_HANDLE(cinode) (cinode->oplock & CIFS_CACHE_HANDLE_FLG) @@ -1057,6 +1063,7 @@ struct cifsInodeInfo { struct list_head openFileList; __u32 cifsAttrs; /* e.g. DOS archive bit, sparse, compressed, system */ unsigned int oplock; /* oplock/lease level we have */ + unsigned int epoch; /* used to track lease state changes */ bool delete_pending; /* DELETE_ON_CLOSE is set */ bool invalid_mapping; /* pagecache is invalid */ unsigned long time; /* jiffies of last update of inode */ |