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NFS: Fix another O_DIRECT race

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Ensure we call unmap_mapping_range() and sync dirty pages to disk before
 doing an NFS direct write.

 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2005-12-13 16:13:54 -05:00
parent b079fa7baa
commit 29884df0d8
4 changed files with 34 additions and 42 deletions
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include/linux/nfs_fs.h
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@@ -291,6 +291,7 @@ static inline int nfs_verify_change_attribute(struct inode *inode, unsigned long
/*
* linux/fs/nfs/inode.c
*/
extern int nfs_sync_mapping(struct address_space *mapping);
extern void nfs_zap_caches(struct inode *);
extern struct inode *nfs_fhget(struct super_block *, struct nfs_fh *,
struct nfs_fattr *);