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excellent shrinkage patch by Tito

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This commit is contained in:
Mike Frysinger
2005-10-02 08:10:31 +00:00
parent 9134dff078
commit 7f782da048
4 changed files with 307 additions and 367 deletions
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52
e2fsprogs/util.c
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@ -29,7 +29,7 @@ void proceed_question(void)
exit(1);
}
void check_plausibility(const char *device)
void check_plausibility(const char *device, int force)
{
int val;
#ifdef CONFIG_LFS
@ -39,7 +39,8 @@ void check_plausibility(const char *device)
struct stat s;
val = stat(device, &s);
#endif
if (force)
return;
if(val == -1)
bb_perror_msg_and_die("Could not stat %s", device);
if (!S_ISBLK(s.st_mode)) {
@ -205,3 +206,50 @@ void print_check_message(ext2_filsys fs)
fs->super->s_max_mnt_count,
(double)fs->super->s_checkinterval / (3600 * 24));
}
void make_journal_device(char *journal_device, ext2_filsys fs, int quiet, int force)
{
errcode_t retval;
ext2_filsys jfs;
io_manager io_ptr;
check_plausibility(journal_device, force);
check_mount(journal_device, force, "journal");
io_ptr = unix_io_manager;
retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
EXT2_FLAG_JOURNAL_DEV_OK, 0,
fs->blocksize, io_ptr, &jfs);
if (retval)
bb_error_msg_and_die("Could not journal device %s", journal_device);
if(!quiet)
printf("Adding journal to device %s: ", journal_device);
fflush(stdout);
retval = ext2fs_add_journal_device(fs, jfs);
if(retval)
bb_error_msg_and_die("\nFailed to add journal to device %s", journal_device);
if(!quiet)
puts("done");
ext2fs_close(jfs);
}
void make_journal_blocks(ext2_filsys fs, int journal_size, int journal_flags, int quiet)
{
unsigned long journal_blocks;
errcode_t retval;
journal_blocks = figure_journal_size(journal_size, fs);
if (!journal_blocks) {
fs->super->s_feature_compat &=
~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
return;
}
if(!quiet)
printf("Creating journal (%ld blocks): ", journal_blocks);
fflush(stdout);
retval = ext2fs_add_journal_inode(fs, journal_blocks,
journal_flags);
if(retval)
bb_error_msg_and_die("Could not create journal");
if(!quiet)
puts("done");
}