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libext2fs: Initialize s_min_extra_isize and s_wanted_extra_isize 

Set the s_min_extra_isize and s_wanted_extra_isize superblock fields
to reasonable defaults in ext2fs_initialize().

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
bitmap-optimize
Theodore Ts'o 2008-04-20 16:02:13 -04:00
parent 6360d129d0
commit 00a92841c2
1 changed files with 6 additions and 0 deletions
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6
lib/ext2fs/initialize.c
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@ -172,6 +172,12 @@ errcode_t ext2fs_initialize(const char *name, int flags,
if (super->s_rev_level >= EXT2_DYNAMIC_REV) {
set_field(s_first_ino, EXT2_GOOD_OLD_FIRST_INO);
set_field(s_inode_size, EXT2_GOOD_OLD_INODE_SIZE);
if (super->s_inode_size >= sizeof(struct ext2_inode_large)) {
int extra_isize = sizeof(struct ext2_inode_large) -
EXT2_GOOD_OLD_INODE_SIZE;
set_field(s_min_extra_isize, extra_isize);
set_field(s_want_extra_isize, extra_isize);
}
}
set_field(s_checkinterval, EXT2_DFL_CHECKINTERVAL);