Skip to content

Update fs.c, released buff in bmap using brelse #28

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: p8-read-fs
Choose a base branch
from
Open

Update fs.c, released buff in bmap using brelse #28

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 5 additions & 2 deletions fs.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -136,6 +136,7 @@ static uint
bmap(struct inode *ip, uint bn)
{
struct buf *bp;
uint addr;

if(bn < NDIRECT){
return ip->addrs[bn];
Expand All @@ -146,7 +147,9 @@ bmap(struct inode *ip, uint bn)
// Load indirect block
bp = bread(ip->dev, ip->addrs[NDIRECT]);
uint *a = (uint*)bp->data;
return a[bn];
addr = a[bn];
brelse(bp);
return addr;
}

panic("bmap: out of range");
Expand Down Expand Up @@ -184,4 +187,4 @@ readi(struct inode *ip, char *dst, uint off, uint n)
brelse(bp);
}
return n;
}
}