From 636fb9c89d7e216aac3d406e458864420057e981 Mon Sep 17 00:00:00 2001 From: Benny Halevy Date: Sun, 22 May 2011 19:51:33 +0300 Subject: pnfs: alloc and free layout_hdr layoutdriver methods [gfp_flags] Signed-off-by: Benny Halevy --- fs/nfs/pnfs.c | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) (limited to 'fs/nfs/pnfs.c') diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 20436a5e76cd..ef535f2a2c74 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -177,13 +177,28 @@ get_layout_hdr(struct pnfs_layout_hdr *lo) atomic_inc(&lo->plh_refcount); } +static struct pnfs_layout_hdr * +pnfs_alloc_layout_hdr(struct inode *ino, gfp_t gfp_flags) +{ + struct pnfs_layoutdriver_type *ld = NFS_SERVER(ino)->pnfs_curr_ld; + return ld->alloc_layout_hdr ? ld->alloc_layout_hdr(ino, gfp_flags) : + kzalloc(sizeof(struct pnfs_layout_hdr), gfp_flags); +} + +static void +pnfs_free_layout_hdr(struct pnfs_layout_hdr *lo) +{ + struct pnfs_layoutdriver_type *ld = NFS_SERVER(lo->plh_inode)->pnfs_curr_ld; + return ld->alloc_layout_hdr ? ld->free_layout_hdr(lo) : kfree(lo); +} + static void destroy_layout_hdr(struct pnfs_layout_hdr *lo) { dprintk("%s: freeing layout cache %p\n", __func__, lo); BUG_ON(!list_empty(&lo->plh_layouts)); NFS_I(lo->plh_inode)->layout = NULL; - kfree(lo); + pnfs_free_layout_hdr(lo); } static void @@ -744,7 +759,7 @@ alloc_init_layout_hdr(struct inode *ino, gfp_t gfp_flags) { struct pnfs_layout_hdr *lo; - lo = kzalloc(sizeof(struct pnfs_layout_hdr), gfp_flags); + lo = pnfs_alloc_layout_hdr(ino, gfp_flags); if (!lo) return NULL; atomic_set(&lo->plh_refcount, 1); @@ -777,7 +792,7 @@ pnfs_find_alloc_layout(struct inode *ino, gfp_t gfp_flags) if (likely(nfsi->layout == NULL)) /* Won the race? */ nfsi->layout = new; else - kfree(new); + pnfs_free_layout_hdr(new); return nfsi->layout; } -- cgit v1.2.2