diff options
Diffstat (limited to 'fs/nfs/pnfs.h')
| -rw-r--r-- | fs/nfs/pnfs.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index e2612ea0cbe..9a994bc9899 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -177,6 +177,16 @@ static inline int lo_fail_bit(u32 iomode) NFS_LAYOUT_RW_FAILED : NFS_LAYOUT_RO_FAILED; } +static inline struct pnfs_layout_segment * +get_lseg(struct pnfs_layout_segment *lseg) +{ + if (lseg) { + atomic_inc(&lseg->pls_refcount); + smp_mb__after_atomic_inc(); + } + return lseg; +} + /* Return true if a layout driver is being used for this mountpoint */ static inline int pnfs_enabled_sb(struct nfs_server *nfss) { @@ -194,6 +204,16 @@ static inline void pnfs_destroy_layout(struct nfs_inode *nfsi) } static inline struct pnfs_layout_segment * +get_lseg(struct pnfs_layout_segment *lseg) +{ + return NULL; +} + +static inline void put_lseg(struct pnfs_layout_segment *lseg) +{ +} + +static inline struct pnfs_layout_segment * pnfs_update_layout(struct inode *ino, struct nfs_open_context *ctx, enum pnfs_iomode access_type) { |