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orangefs: Account for jiffies wraparound. 

Signed-off-by: Martin Brandenburg <martin@omnibond.com>
This commit is contained in:
Martin Brandenburg 2016-07-28 14:46:36 -04:00
parent 957ee43718
commit 8bbb20a863
3 changed files with 8 additions and 8 deletions
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2
fs/orangefs/dcache.c
View File

@ -95,7 +95,7 @@ static int orangefs_d_revalidate(struct dentry *dentry, unsigned int flags)
{
int ret;
if (dentry->d_time > jiffies)
if (time_before(jiffies, dentry->d_time))
return 1;
if (flags & LOOKUP_RCU)

10
fs/orangefs/namei.c
View File

@ -73,7 +73,7 @@ static int orangefs_create(struct inode *dir,
d_instantiate(dentry, inode);
unlock_new_inode(inode);
dentry->d_time = jiffies + dcache_timeout_msecs*HZ/1000;
ORANGEFS_I(inode)->getattr_time = 0;
ORANGEFS_I(inode)->getattr_time = jiffies - 1;
gossip_debug(GOSSIP_NAME_DEBUG,
"%s: dentry instantiated for %s\n",
@ -193,7 +193,7 @@ static struct dentry *orangefs_lookup(struct inode *dir, struct dentry *dentry,
goto out;
}
ORANGEFS_I(inode)->getattr_time = 0;
ORANGEFS_I(inode)->getattr_time = jiffies - 1;
gossip_debug(GOSSIP_NAME_DEBUG,
"%s:%s:%d "
@ -323,7 +323,7 @@ static int orangefs_symlink(struct inode *dir,
d_instantiate(dentry, inode);
unlock_new_inode(inode);
dentry->d_time = jiffies + dcache_timeout_msecs*HZ/1000;
ORANGEFS_I(inode)->getattr_time = 0;
ORANGEFS_I(inode)->getattr_time = jiffies - 1;
gossip_debug(GOSSIP_NAME_DEBUG,
"Inode (Symlink) %pU -> %s\n",
@ -387,7 +387,7 @@ static int orangefs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode
d_instantiate(dentry, inode);
unlock_new_inode(inode);
dentry->d_time = jiffies + dcache_timeout_msecs*HZ/1000;
ORANGEFS_I(inode)->getattr_time = 0;
ORANGEFS_I(inode)->getattr_time = jiffies - 1;
gossip_debug(GOSSIP_NAME_DEBUG,
"Inode (Directory) %pU -> %s\n",
@ -418,7 +418,7 @@ static int orangefs_rename(struct inode *old_dir,
"orangefs_rename: called (%pd2 => %pd2) ct=%d\n",
old_dentry, new_dentry, d_count(new_dentry));
ORANGEFS_I(new_dentry->d_parent->d_inode)->getattr_time = 0;
ORANGEFS_I(new_dentry->d_parent->d_inode)->getattr_time = jiffies - 1;
new_op = op_alloc(ORANGEFS_VFS_OP_RENAME);
if (!new_op)

4
fs/orangefs/orangefs-utils.c
View File

@ -262,7 +262,7 @@ int orangefs_inode_getattr(struct inode *inode, int new, int bypass)
get_khandle_from_ino(inode));
if (!new && !bypass) {
if (orangefs_inode->getattr_time > jiffies)
if (time_before(jiffies, orangefs_inode->getattr_time))
return 0;
}
@ -421,7 +421,7 @@ int orangefs_inode_setattr(struct inode *inode, struct iattr *iattr)
ClearMtimeFlag(orangefs_inode);
ClearCtimeFlag(orangefs_inode);
ClearModeFlag(orangefs_inode);
orangefs_inode->getattr_time = 0;
orangefs_inode->getattr_time = jiffies - 1;
}
return ret;