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Adjust maxfilesize for UFS1 and old 4.4 FFS. For UFS1, increase the limit

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to (max block - 1) * bsize.  For DEV_BSIZE, this doubles the limit from
0.5 TB to 1 TB.  For the old 4.4 FFS case, decrease the limit from 0.5 TB
to 2 GB - 1.  Older systems had a 32 bit off_t so they couldn't access the
larger files anyway.

Collaboration with:	bde
This commit is contained in:
Nate Lawson 2005-10-21 01:54:00 +00:00
parent 354cdde5b9
commit 8680d6985f
1 changed files with 2 additions and 2 deletions
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4
sys/ufs/ffs/ffs_vfsops.c
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@ -845,13 +845,13 @@ ffs_oldfscompat_read(fs, ump, sblockloc)
}
if (fs->fs_magic == FS_UFS1_MAGIC &&
fs->fs_old_inodefmt < FS_44INODEFMT) {
fs->fs_maxfilesize = (u_quad_t) 1LL << 39;
fs->fs_maxfilesize = ((uint64_t)1 << 31) - 1;
fs->fs_qbmask = ~fs->fs_bmask;
fs->fs_qfmask = ~fs->fs_fmask;
}
if (fs->fs_magic == FS_UFS1_MAGIC) {
ump->um_savedmaxfilesize = fs->fs_maxfilesize;
maxfilesize = (u_int64_t)0x40000000 * fs->fs_bsize - 1;
maxfilesize = (uint64_t)0x80000000 * fs->fs_bsize - 1;
if (fs->fs_maxfilesize > maxfilesize)
fs->fs_maxfilesize = maxfilesize;
}