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| author | Peng Tao <tao.peng@primarydata.com> | 2015-12-05 11:20:43 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-12-28 22:32:38 +0300 |
| commit | d6c843b96e1cb5199147e3281a724e3c0b69a9ab (patch) | |
| tree | 73d556f77eb68743a0752e150c493bd4062cad59 /include | |
| parent | 0bcbf039f6b2bcefe4f5dada76079080edf9ecd0 (diff) | |
| download | linux-d6c843b96e1cb5199147e3281a724e3c0b69a9ab.tar.xz | |
nfs: only remove page from mapping if launder_page fails
Instead of dropping pages when write fails, only do it when
we get fatal failure in launder_page write back.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/nfs_fs.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index c0e961474a52..b88fc46cfbb8 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -517,13 +517,25 @@ extern int nfs_updatepage(struct file *, struct page *, unsigned int, unsigned */ extern int nfs_sync_inode(struct inode *inode); extern int nfs_wb_all(struct inode *inode); -extern int nfs_wb_page(struct inode *inode, struct page* page); +extern int nfs_wb_single_page(struct inode *inode, struct page *page, bool launder); 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(void); extern void nfs_commit_free(struct nfs_commit_data *data); static inline int +nfs_wb_launder_page(struct inode *inode, struct page *page) +{ + return nfs_wb_single_page(inode, page, true); +} + +static inline int +nfs_wb_page(struct inode *inode, struct page *page) +{ + return nfs_wb_single_page(inode, page, false); +} + +static inline int nfs_have_writebacks(struct inode *inode) { return NFS_I(inode)->nrequests != 0; |