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| author | Peng Tao <tao.peng@primarydata.com> | 2015-12-05 02:03:17 +0800 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-12-28 14:32:37 -0500 |
| commit | 2bff2288579f1e4af2f05a7f7443c85b7766d5ac (patch) | |
| tree | 1cca8e446029d3acc42b0e0e858ae4b17c542617 /fs/nfs/pnfs.c | |
| parent | c18b96a1b8629db8cf5ac9f8974ccb4abcc209ab (diff) | |
| download | linux-stable-2bff2288579f1e4af2f05a7f7443c85b7766d5ac.tar.gz linux-stable-2bff2288579f1e4af2f05a7f7443c85b7766d5ac.tar.bz2 linux-stable-2bff2288579f1e4af2f05a7f7443c85b7766d5ac.zip | |
nfs: centralize pgio error cleanup
In case we fail during setting things up for read/write IO, set
pg_error in IO descriptor and do the cleanup in nfs_pageio_add_request,
where we clean up all pages that are still hanging around on the IO
descriptor.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/pnfs.c')
| -rw-r--r-- | fs/nfs/pnfs.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index b1acc4135c3c..0fb3552ccfbe 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -2026,15 +2026,13 @@ static void pnfs_writehdr_free(struct nfs_pgio_header *hdr) int pnfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc) { - struct nfs_pgio_mirror *mirror = nfs_pgio_current_mirror(desc); - struct nfs_pgio_header *hdr; int ret; hdr = nfs_pgio_header_alloc(desc->pg_rw_ops); if (!hdr) { - desc->pg_completion_ops->error_cleanup(&mirror->pg_list); - return -ENOMEM; + desc->pg_error = -ENOMEM; + return desc->pg_error; } nfs_pgheader_init(desc, hdr, pnfs_writehdr_free); @@ -2157,15 +2155,13 @@ static void pnfs_readhdr_free(struct nfs_pgio_header *hdr) int pnfs_generic_pg_readpages(struct nfs_pageio_descriptor *desc) { - struct nfs_pgio_mirror *mirror = nfs_pgio_current_mirror(desc); - struct nfs_pgio_header *hdr; int ret; hdr = nfs_pgio_header_alloc(desc->pg_rw_ops); if (!hdr) { - desc->pg_completion_ops->error_cleanup(&mirror->pg_list); - return -ENOMEM; + desc->pg_error = -ENOMEM; + return desc->pg_error; } nfs_pgheader_init(desc, hdr, pnfs_readhdr_free); hdr->lseg = pnfs_get_lseg(desc->pg_lseg); |