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Fixed initialization of new inodes. ext2fs doesn't clear inodes when

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they are deleted, so inodes must be cleared when they are reused, but
we didn't clear the indirect blocks.  This caused serious filesystem
corruption.
This commit is contained in:
Bruce Evans 1998-09-29 08:07:32 +00:00
parent 5d20b9915f
commit 9702cd0422
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=39753
2 changed files with 6 additions and 2 deletions
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4
sys/gnu/ext2fs/ext2_alloc.c
View File

@ -416,8 +416,10 @@ ext2_valloc(pvp, mode, cred, vpp)
ip->i_blocks = 0;
ip->i_flags = 0;
/* now we want to make sure that the block pointers are zeroed out */
for(i = 0; i < EXT2_NDIR_BLOCKS; i++)
for (i = 0; i < NDADDR; i++)
ip->i_db[i] = 0;
for (i = 0; i < NIADDR; i++)
ip->i_ib[i] = 0;
/*
* Set up a new generation number for this inode.

4
sys/gnu/fs/ext2fs/ext2_alloc.c
View File

@ -416,8 +416,10 @@ ext2_valloc(pvp, mode, cred, vpp)
ip->i_blocks = 0;
ip->i_flags = 0;
/* now we want to make sure that the block pointers are zeroed out */
for(i = 0; i < EXT2_NDIR_BLOCKS; i++)
for (i = 0; i < NDADDR; i++)
ip->i_db[i] = 0;
for (i = 0; i < NIADDR; i++)
ip->i_ib[i] = 0;
/*
* Set up a new generation number for this inode.