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authorTrond Myklebust <trond.myklebust@hammerspace.com>2020-03-20 18:34:33 -0400
committerTrond Myklebust <trond.myklebust@hammerspace.com>2020-03-27 16:34:34 -0400
commitba827c9abb0b413a4c87b68c87d39b310fc01101 (patch)
tree4fe2907dadb285f53ca76f7841d66ce9634173c6 /fs/nfs/flexfilelayout
parenta9901899b649dc80ef75c14d6d78059cae14def7 (diff)
pNFS: Enable per-layout segment commit structures
Enable adding and lookup of per-layout segment commits in filelayout and flexfilelayout. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/flexfilelayout')
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayout.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 8e1393d75cbc..f343a241906a 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -2005,6 +2005,24 @@ ff_layout_get_ds_info(struct inode *inode)
}
static void
+ff_layout_setup_ds_info(struct pnfs_ds_commit_info *fl_cinfo,
+ struct pnfs_layout_segment *lseg)
+{
+ struct nfs4_ff_layout_segment *flseg = FF_LAYOUT_LSEG(lseg);
+ struct inode *inode = lseg->pls_layout->plh_inode;
+ struct pnfs_commit_array *array, *new;
+
+ new = pnfs_alloc_commit_array(flseg->mirror_array_cnt, GFP_NOIO);
+ if (new) {
+ spin_lock(&inode->i_lock);
+ array = pnfs_add_commit_array(fl_cinfo, new, lseg);
+ spin_unlock(&inode->i_lock);
+ if (array != new)
+ pnfs_free_commit_array(new);
+ }
+}
+
+static void
ff_layout_release_ds_info(struct pnfs_ds_commit_info *fl_cinfo,
struct inode *inode)
{
@@ -2513,6 +2531,7 @@ static struct pnfs_layoutdriver_type flexfilelayout_type = {
.pg_read_ops = &ff_layout_pg_read_ops,
.pg_write_ops = &ff_layout_pg_write_ops,
.get_ds_info = ff_layout_get_ds_info,
+ .setup_ds_info = ff_layout_setup_ds_info,
.release_ds_info = ff_layout_release_ds_info,
.free_deviceid_node = ff_layout_free_deviceid_node,
.mark_request_commit = pnfs_layout_mark_request_commit,