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| author |   Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-03-30 11:12:16 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-04-01 13:37:56 -0400 |
| commit | a62f8e3bd836bf1abde1648a45e14afd050dbd23 (patch) | |
| tree | 2c93e5b4f2768ac87a4fac37e453997096177d4f /include/linux/nfs_page.h | |
| parent | NFS: Remove the redundant function nfs_pgio_has_mirroring() (diff) | |
| download | wireguard-linux-a62f8e3bd836bf1abde1648a45e14afd050dbd23.tar.xz wireguard-linux-a62f8e3bd836bf1abde1648a45e14afd050dbd23.zip | |
NFS: Clean up nfs_lock_and_join_requests()
Clean up nfs_lock_and_join_requests() to simplify the calculation
of the range covered by the page group, taking into account the
presence of mirrors.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'include/linux/nfs_page.h')
| -rw-r--r-- | include/linux/nfs_page.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h index 7e9419d74b86..dd205bc6bc58 100644 --- a/include/linux/nfs_page.h +++ b/include/linux/nfs_page.h @@ -139,6 +139,7 @@ extern size_t nfs_generic_pg_test(struct nfs_pageio_descriptor *desc, extern int nfs_wait_on_request(struct nfs_page *); extern void nfs_unlock_request(struct nfs_page *req); extern void nfs_unlock_and_release_request(struct nfs_page *); +extern int nfs_page_group_lock_subrequests(struct nfs_page *head); extern int nfs_page_group_lock(struct nfs_page *); extern void nfs_page_group_unlock(struct nfs_page *); extern bool nfs_page_group_sync_on_bit(struct nfs_page *, unsigned int); |