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author | Miklos Szeredi | 2006-07-30 12:04:10 +0200 |
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committer | Linus Torvalds | 2006-07-31 22:28:43 +0200 |
commit | 0a0898cf413876d4ed6e371f3e04bf38600a9205 (patch) | |
tree | 700c9e87bdd78392bd3fa11f2f976d360b8a5cd2 /fs/fuse/inode.c | |
parent | [PATCH] fuse: fix zero timeout (diff) | |
download | kernel-qcow2-linux-0a0898cf413876d4ed6e371f3e04bf38600a9205.tar.gz kernel-qcow2-linux-0a0898cf413876d4ed6e371f3e04bf38600a9205.tar.xz kernel-qcow2-linux-0a0898cf413876d4ed6e371f3e04bf38600a9205.zip |
[PATCH] fuse: use jiffies_64
It is entirely possible (though rare) that jiffies half-wraps around, while a
dentry/inode remains in the cache. This could mean that the dentry/inode is
not invalidated for another half wraparound-time.
To get around this problem, use 64-bit jiffies. The only problem with this is
that dentry->d_time is 32 bits on 32-bit archs. So use d_fsdata as the high
32 bits. This is an ugly hack, but far simpler, than having to allocate
private data just for this purpose.
Since 64-bit jiffies can be assumed never to wrap around, simple comparison
can be used, and a zero time value can represent "invalid".
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/fuse/inode.c')
-rw-r--r-- | fs/fuse/inode.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index dcaaabd3b9c4..7d25092262ae 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -51,7 +51,7 @@ static struct inode *fuse_alloc_inode(struct super_block *sb) return NULL; fi = get_fuse_inode(inode); - fi->i_time = jiffies - 1; + fi->i_time = 0; fi->nodeid = 0; fi->nlookup = 0; fi->forget_req = fuse_request_alloc(); |