diff options
Diffstat (limited to 'fs.c')
-rw-r--r-- | fs.c | 18 |
1 files changed, 10 insertions, 8 deletions
@@ -320,15 +320,17 @@ void iput(struct inode *ip) { acquire(&icache.lock); - if(ip->ref == 1 && ip->valid && ip->nlink == 0){ - // inode has no links and no other references: truncate and free. + if(ip->ref == 1){ acquiresleep(&ip->lock); - release(&icache.lock); - itrunc(ip); - ip->type = 0; - iupdate(ip); - acquire(&icache.lock); - ip->valid = 0; + if(ip->valid && ip->nlink == 0){ + // inode has no links and no other references: truncate and free. + release(&icache.lock); + itrunc(ip); + ip->type = 0; + iupdate(ip); + ip->valid = 0; + acquire(&icache.lock); + } releasesleep(&ip->lock); } ip->ref--; |