From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
When we have multiple layout segments with different lists of mirrored
data, we need to track the commits on a per layout segment basis.
This patch adds a list to support this tracking in struct
pnfs_ds_commit_info.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
fs/nfs/direct.c | 1 +
fs/nfs/filelayout/filelayout.c | 5 ++++-
fs/nfs/flexfilelayout/flexfilelayout.c | 1 +
include/linux/nfs_xdr.h | 1 +
4 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index ade2435551c8..45d3ad1ad4df 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -305,6 +305,7 @@ static inline struct nfs_direct_req *nfs_direct_req_alloc(void)
kref_get(&dreq->kref);
init_completion(&dreq->completion);
INIT_LIST_HEAD(&dreq->mds_cinfo.list);
+ INIT_LIST_HEAD(&dreq->ds_cinfo.commits);
dreq->verf.committed = NFS_INVALID_STABLE_HOW; /* not set yet */
INIT_WORK(&dreq->work, nfs_direct_write_schedule_work);
spin_lock_init(&dreq->lock);
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index bd234394a87c..7bd02efbe19a 100644
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -1140,7 +1140,10 @@ filelayout_alloc_layout_hdr(struct inode *inode, gfp_t gfp_flags)
struct nfs4_filelayout *flo;
flo = kzalloc(sizeof(*flo), gfp_flags);
- return flo != NULL ? &flo->generic_hdr : NULL;
+ if (flo == NULL)
+ return NULL;
+ INIT_LIST_HEAD(&flo->commit_info.commits);
+ return &flo->generic_hdr;
}
static void
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 19728206e9c6..c7cccdd746e4 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -48,6 +48,7 @@ ff_layout_alloc_layout_hdr(struct inode *inode, gfp_t gfp_flags)
ffl = kzalloc(sizeof(*ffl), gfp_flags);
if (ffl) {
+ INIT_LIST_HEAD(&ffl->commit_info.commits);
INIT_LIST_HEAD(&ffl->error_list);
INIT_LIST_HEAD(&ffl->mirrors);
ffl->last_report_time = ktime_get();
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index e91c917c9c1c..9946787eda72 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1280,6 +1280,7 @@ struct pnfs_commit_array {
};
struct pnfs_ds_commit_info {
+ struct list_head commits;
unsigned int nwritten;
unsigned int ncommitting;
unsigned int nbuckets;
--
2.25.1
