mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2025-01-16 15:11:52 +00:00
Code Issues Releases Activity

When creating a directory entry for the journal, always read at least

Browse Source 
the fragment, and write the full block. Reading less might not work
due to device sector size bigger then size of direntries in the
last directory fragment.

Reported by:	bz
In collaboration with:	pho
Reviewed by:	jeff
Tested by:	bz, pho
This commit is contained in:
Konstantin Belousov 2011-02-12 13:12:45 +00:00
parent 455a6e0ff3
commit e605011a00
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=218603
1 changed files with 20 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
sbin/tunefs/tunefs.c
View File

@ -688,6 +688,19 @@ journal_findfile(void)
return (0);
}
static void
dir_clear_block(char *block, off_t off)
{
struct direct *dp;
for (; off < sblock.fs_bsize; off += DIRBLKSIZ) {
dp = (struct direct *)&block[off];
dp->d_ino = 0;
dp->d_reclen = DIRBLKSIZ;
dp->d_type = DT_UNKNOWN;
}
}
/*
* Insert the journal at inode 'ino' into directory blk 'blk' at the first
* free offset of 'off'. DIRBLKSIZ blocks after off are initialized as
@ -710,13 +723,7 @@ dir_insert(ufs2_daddr_t blk, off_t off, ino_t ino)
dp->d_type = DT_REG;
dp->d_namlen = strlen(SUJ_FILE);
bcopy(SUJ_FILE, &dp->d_name, strlen(SUJ_FILE));
off += DIRBLKSIZ;
for (; off < sblock.fs_bsize; off += DIRBLKSIZ) {
dp = (struct direct *)&block[off];
dp->d_ino = 0;
dp->d_reclen = DIRBLKSIZ;
dp->d_type = DT_UNKNOWN;
}
dir_clear_block(block, off + DIRBLKSIZ);
if (bwrite(&disk, fsbtodb(&sblock, blk), block, sblock.fs_bsize) <= 0) {
warn("Failed to write dir block");
return (-1);
@ -733,16 +740,19 @@ dir_extend(ufs2_daddr_t blk, ufs2_daddr_t nblk, off_t size, ino_t ino)
{
char block[MAXBSIZE];
if (bread(&disk, fsbtodb(&sblock, blk), block, size) <= 0) {
if (bread(&disk, fsbtodb(&sblock, blk), block,
roundup(size, sblock.fs_fsize)) <= 0) {
warn("Failed to read dir block");
return (-1);
}
if (bwrite(&disk, fsbtodb(&sblock, nblk), block, size) <= 0) {
dir_clear_block(block, size);
if (bwrite(&disk, fsbtodb(&sblock, nblk), block, sblock.fs_bsize)
<= 0) {
warn("Failed to write dir block");
return (-1);
}
return dir_insert(nblk, size, ino);
return (dir_insert(nblk, size, ino));
}
/*