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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-03-29 20:06:45 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-04-01 13:37:56 -0400 |
| commit | 862f35c94730c9270833f3ad05bd758a29f204ed (patch) | |
| tree | e8ee285b8e6d318e14361ba392e08bc56bb20bb2 /fs/nfs/pagelist.c | |
| parent | f02cec9d33e0069c11e58f97529c1d697255889d (diff) | |
| download | linux-862f35c94730c9270833f3ad05bd758a29f204ed.tar.bz2 | |
NFS: Fix memory leaks in nfs_pageio_stop_mirroring()
If we just set the mirror count to 1 without first clearing out
the mirrors, we can leak queued up requests.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/pagelist.c')
| -rw-r--r-- | fs/nfs/pagelist.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index 99eb839c5778..1fd4862217e0 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -900,15 +900,6 @@ static void nfs_pageio_setup_mirroring(struct nfs_pageio_descriptor *pgio, pgio->pg_mirror_count = mirror_count; } -/* - * nfs_pageio_stop_mirroring - stop using mirroring (set mirror count to 1) - */ -void nfs_pageio_stop_mirroring(struct nfs_pageio_descriptor *pgio) -{ - pgio->pg_mirror_count = 1; - pgio->pg_mirror_idx = 0; -} - static void nfs_pageio_cleanup_mirroring(struct nfs_pageio_descriptor *pgio) { pgio->pg_mirror_count = 1; @@ -1334,6 +1325,14 @@ void nfs_pageio_cond_complete(struct nfs_pageio_descriptor *desc, pgoff_t index) } } +/* + * nfs_pageio_stop_mirroring - stop using mirroring (set mirror count to 1) + */ +void nfs_pageio_stop_mirroring(struct nfs_pageio_descriptor *pgio) +{ + nfs_pageio_complete(pgio); +} + int __init nfs_init_nfspagecache(void) { nfs_page_cachep = kmem_cache_create("nfs_page", |