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authorTrond Myklebust <Trond.Myklebust@netapp.com>2008-10-14 19:24:50 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2008-10-14 19:24:50 -0400
commit011935a0a710c20bb7ae63523b78856848db1926 (patch)
treeaabfb595ce38eabd95ae1f79546d604aba663b7d /fs
parent4704f0e274829e3af00737d2d9adace2d71a9605 (diff)
NFS: Fix a resolution problem with nfs_inode->cache_change_attribute
The cache_change_attribute is used to decide whether or not a directory has changed, in which case we may need to look it up again. Again, the use of 'jiffies' leads to an issue of resolution. Once again, the fix is to change nfs_inode->cache_change_attribute, and just make it a simple counter. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/dir.c2
-rw-r--r--fs/nfs/inode.c1
2 files changed, 1 insertions, 2 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 4807074ada8c..2ab70d46ecbc 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -661,7 +661,7 @@ static int nfs_fsync_dir(struct file *filp, struct dentry *dentry, int datasync)
661 */ 661 */
662void nfs_force_lookup_revalidate(struct inode *dir) 662void nfs_force_lookup_revalidate(struct inode *dir)
663{ 663{
664 NFS_I(dir)->cache_change_attribute = jiffies; 664 NFS_I(dir)->cache_change_attribute++;
665} 665}
666 666
667/* 667/*
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 116a3bd2bc9b..b9195c02a863 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -306,7 +306,6 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
306 306
307 nfsi->read_cache_jiffies = fattr->time_start; 307 nfsi->read_cache_jiffies = fattr->time_start;
308 nfsi->attr_gencount = fattr->gencount; 308 nfsi->attr_gencount = fattr->gencount;
309 nfsi->cache_change_attribute = now;
310 inode->i_atime = fattr->atime; 309 inode->i_atime = fattr->atime;
311 inode->i_mtime = fattr->mtime; 310 inode->i_mtime = fattr->mtime;
312 inode->i_ctime = fattr->ctime; 311 inode->i_ctime = fattr->ctime;