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NFS: Separate metadata and page cache revalidation mechanisms

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Separate out the function of revalidating the inode metadata, and
revalidating the mapping. The former may be called by lookup(),
and only really needs to check that permissions, ctime, etc haven't changed
whereas the latter needs only done when we want to read data from the page
cache, and may need to sync and then invalidate the mapping.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2006-05-25 01:40:59 -04:00
parent 38478b24e3
commit 44b11874ff
5 changed files with 17 additions and 29 deletions
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fs/nfs/dir.c
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@ -528,7 +528,7 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
lock_kernel();
res = nfs_revalidate_inode(NFS_SERVER(inode), inode);
res = nfs_revalidate_mapping(inode, filp->f_mapping);
if (res < 0) {
unlock_kernel();
return res;