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| author | Tom Haynes <thomas.haynes@primarydata.com> | 2015-02-14 00:19:53 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-02-14 01:47:26 +0300 |
| commit | d15bc38df607c893c36f4962dca0f57174c6a5c9 (patch) | |
| tree | d263dcfbfaed2de1fde01a028d14184dace7781b /fs/nfs/internal.h | |
| parent | 6bec0035286119eefc32a5b1102127e6a4032cb2 (diff) | |
| download | linux-d15bc38df607c893c36f4962dca0f57174c6a5c9.tar.xz | |
nfs: Provide and use helper functions for marking a page as unstable
Signed-off-by: Tom Haynes <loghyr@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/internal.h')
| -rw-r--r-- | fs/nfs/internal.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 212b8c883d22..b802fb3a2d99 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -598,6 +598,19 @@ void nfs_super_set_maxbytes(struct super_block *sb, __u64 maxfilesize) } /* + * Record the page as unstable and mark its inode as dirty. + */ +static inline +void nfs_mark_page_unstable(struct page *page) +{ + struct inode *inode = page_file_mapping(page)->host; + + inc_zone_page_state(page, NR_UNSTABLE_NFS); + inc_bdi_stat(inode_to_bdi(inode), BDI_RECLAIMABLE); + __mark_inode_dirty(inode, I_DIRTY_DATASYNC); +} + +/* * Determine the number of bytes of data the page contains */ static inline |