diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 5b4124e4c22f556289bc43b78aa03b5a8e8b360c..57340096c737536a6377d3273f90bea52f4287ba 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2361,6 +2361,9 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, struct nfs4_state *state = NULL; int status; + if (pnfs_ld_layoutret_on_setattr(inode)) + pnfs_return_layout(inode); + nfs_fattr_init(fattr); /* Search for an existing open(O_WRITE) file */ diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c index cc92d3b3dc3a084d1b7dd75cdc94ffbdc9090141..4e8de3ec9a635db78455f2c0dee88249790f5e4f 100644 --- a/fs/nfs/objlayout/objio_osd.c +++ b/fs/nfs/objlayout/objio_osd.c @@ -964,6 +964,7 @@ objlayout_pg_test(struct nfs_pageio_descriptor *pgio, struct nfs_page *prev, static struct pnfs_layoutdriver_type objlayout_type = { .id = LAYOUT_OSD2_OBJECTS, .name = "LAYOUT_OSD2_OBJECTS", + .flags = PNFS_LAYOUTRET_ON_SETATTR, .alloc_layout_hdr = objlayout_alloc_layout_hdr, .free_layout_hdr = objlayout_free_layout_hdr, diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index c34f7a0e3bc2e1fdebade8ca535028ccb9b5a24b..af3967a893a1fc1b6fc95b63c53307692ee98b01 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -65,6 +65,11 @@ enum { NFS_LAYOUT_DESTROYED, /* no new use of layout allowed */ }; +enum layoutdriver_policy_flags { + /* Should the pNFS client commit and return the layout upon a setattr */ + PNFS_LAYOUTRET_ON_SETATTR = 1 << 0, +}; + struct nfs4_deviceid_node; /* Per-layout driver specific registration structure */ @@ -73,6 +78,7 @@ struct pnfs_layoutdriver_type { const u32 id; const char *name; struct module *owner; + unsigned flags; struct pnfs_layout_hdr * (*alloc_layout_hdr) (struct inode *inode, gfp_t gfp_flags); void (*free_layout_hdr) (struct pnfs_layout_hdr *); @@ -258,6 +264,16 @@ static inline void pnfs_clear_request_commit(struct nfs_page *req) put_lseg(req->wb_commit_lseg); } +/* Should the pNFS client commit and return the layout upon a setattr */ +static inline bool +pnfs_ld_layoutret_on_setattr(struct inode *inode) +{ + if (!pnfs_enabled_sb(NFS_SERVER(inode))) + return false; + return NFS_SERVER(inode)->pnfs_curr_ld->flags & + PNFS_LAYOUTRET_ON_SETATTR; +} + static inline int pnfs_return_layout(struct inode *ino) { struct nfs_inode *nfsi = NFS_I(ino); @@ -316,6 +332,12 @@ static inline int pnfs_return_layout(struct inode *ino) return 0; } +static inline bool +pnfs_ld_layoutret_on_setattr(struct inode *inode) +{ + return false; +} + static inline bool pnfs_roc(struct inode *ino) {