Commit 0b0bc6ea authored by Peng Tao's avatar Peng Tao Committed by Trond Myklebust

pnfs/filelayout: retry ds commit if nfs_commitdata_alloc fails

Signed-off-by: default avatarPeng Tao <tao.peng@primarydata.com>
Signed-off-by: default avatarTom Haynes <Thomas.Haynes@primarydata.com>
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
parent c8a3292d
......@@ -1237,15 +1237,33 @@ static void filelayout_recover_commit_reqs(struct list_head *dst,
spin_unlock(cinfo->lock);
}
static void filelayout_retry_commit(struct nfs_commit_info *cinfo, int idx)
{
struct pnfs_ds_commit_info *fl_cinfo = cinfo->ds;
struct pnfs_commit_bucket *bucket = fl_cinfo->buckets;
struct pnfs_layout_segment *freeme;
int i;
for (i = idx; i < fl_cinfo->nbuckets; i++, bucket++) {
if (list_empty(&bucket->committing))
continue;
nfs_retry_commit(&bucket->committing, bucket->clseg, cinfo);
spin_lock(cinfo->lock);
freeme = bucket->clseg;
bucket->clseg = NULL;
spin_unlock(cinfo->lock);
pnfs_put_lseg(freeme);
}
}
static unsigned int
alloc_ds_commits(struct nfs_commit_info *cinfo, struct list_head *list)
{
struct pnfs_ds_commit_info *fl_cinfo;
struct pnfs_commit_bucket *bucket;
struct nfs_commit_data *data;
int i, j;
int i;
unsigned int nreq = 0;
struct pnfs_layout_segment *freeme;
fl_cinfo = cinfo->ds;
bucket = fl_cinfo->buckets;
......@@ -1265,16 +1283,7 @@ alloc_ds_commits(struct nfs_commit_info *cinfo, struct list_head *list)
}
/* Clean up on error */
for (j = i; j < fl_cinfo->nbuckets; j++, bucket++) {
if (list_empty(&bucket->committing))
continue;
nfs_retry_commit(&bucket->committing, bucket->clseg, cinfo);
spin_lock(cinfo->lock);
freeme = bucket->clseg;
bucket->clseg = NULL;
spin_unlock(cinfo->lock);
pnfs_put_lseg(freeme);
}
filelayout_retry_commit(cinfo, i);
/* Caller will clean up entries put on list */
return nreq;
}
......@@ -1294,8 +1303,12 @@ filelayout_commit_pagelist(struct inode *inode, struct list_head *mds_pages,
data->lseg = NULL;
list_add(&data->pages, &list);
nreq++;
} else
} else {
nfs_retry_commit(mds_pages, NULL, cinfo);
filelayout_retry_commit(cinfo, 0);
cinfo->completion_ops->error_cleanup(NFS_I(inode));
return -ENOMEM;
}
}
nreq += alloc_ds_commits(cinfo, &list);
......
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