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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2022-03-21 19:34:19 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-13 21:59:13 +0300 |
| commit | da747de6859948e75bcaaa1019ef0f7fdaf0b867 (patch) | |
| tree | 8da2125b671b2a3e89da0e0ebb0786f0cf159d4a /include | |
| parent | e04ef859d6c657e023702fe1109e4196a3e64011 (diff) | |
| download | linux-da747de6859948e75bcaaa1019ef0f7fdaf0b867.tar.xz | |
NFS: nfsiod should not block forever in mempool_alloc()
[ Upstream commit 515dcdcd48736576c6f5c197814da6f81c60a21e ]
The concern is that since nfsiod is sometimes required to kick off a
commit, it can get locked up waiting forever in mempool_alloc() instead
of failing gracefully and leaving the commit until later.
Try to allocate from the slab first, with GFP_KERNEL | __GFP_NORETRY,
then fall back to a non-blocking attempt to allocate from the memory
pool.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/nfs_fs.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 41102e03512f..5ffcde9ac413 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -567,7 +567,7 @@ extern int nfs_wb_all(struct inode *inode); extern int nfs_wb_page(struct inode *inode, struct page *page); extern int nfs_wb_page_cancel(struct inode *inode, struct page* page); extern int nfs_commit_inode(struct inode *, int); -extern struct nfs_commit_data *nfs_commitdata_alloc(bool never_fail); +extern struct nfs_commit_data *nfs_commitdata_alloc(void); extern void nfs_commit_free(struct nfs_commit_data *data); bool nfs_commit_end(struct nfs_mds_commit_info *cinfo); |