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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-11-25 18:06:14 +0100 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-12-02 20:05:54 +0100 |
| commit | b6d49ecd1081740b6e632366428b960461f8158b (patch) | |
| tree | 35779fadb7de97f778e36a343d14d92e0d17f19e /fs/nfs/pnfs.h | |
| parent | NFSv4: Fix open coded xdr_stream_remaining() (diff) | |
| download | linux-b6d49ecd1081740b6e632366428b960461f8158b.tar.xz linux-b6d49ecd1081740b6e632366428b960461f8158b.zip | |
NFSv4: Fix a pNFS layout related use-after-free race when freeing the inode
When returning the layout in nfs4_evict_inode(), we need to ensure that
the layout is actually done being freed before we can proceed to free the
inode itself.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/pnfs.h')
| -rw-r--r-- | fs/nfs/pnfs.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index f618c49697bb..bbd3de1025f2 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -268,6 +268,7 @@ struct pnfs_layout_segment *pnfs_layout_process(struct nfs4_layoutget *lgp); void pnfs_layoutget_free(struct nfs4_layoutget *lgp); void pnfs_free_lseg_list(struct list_head *tmp_list); void pnfs_destroy_layout(struct nfs_inode *); +void pnfs_destroy_layout_final(struct nfs_inode *); void pnfs_destroy_all_layouts(struct nfs_client *); int pnfs_destroy_layouts_byfsid(struct nfs_client *clp, struct nfs_fsid *fsid, @@ -712,6 +713,10 @@ static inline void pnfs_destroy_layout(struct nfs_inode *nfsi) { } +static inline void pnfs_destroy_layout_final(struct nfs_inode *nfsi) +{ +} + static inline struct pnfs_layout_segment * pnfs_get_lseg(struct pnfs_layout_segment *lseg) { |