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mke2fs: Make argument to the extended option lazy_itable_init optional 

Also remove some debugging printf's left over from a previous patch.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
bitmap-optimize
Theodore Ts'o 2008-04-27 19:38:02 -04:00
parent da292aa9af
commit 43781b9459
2 changed files with 7 additions and 11 deletions
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5
misc/mke2fs.8.in
View File

@ -205,14 +205,15 @@ parity in a RAID stripe if possible when the data is written.
Reserve enough space so that the block group descriptor table can grow
to support a filesystem that has max-online-resize blocks.
.TP
.B lazy_itable_init= \fI<0 to disable, 1 to enable>
.B lazy_itable_init\fR[\fb= \fI<0 to disable, 1 to enable>\fR]
If enabled and the uninit_bg feature is enabled, the inode table will
not fully initialized by
.BR mke2fs .
This speeds up filesystem
initialization noitceably, but it requires the kernel to finish
initializing the filesystem in the background when the filesystem is
first mounted.
first mounted. If the option value is omitted, it defaults to 1 to
enable lazy inode table initialization.
.TP
.B test_fs
Set a flag in the filesystem superblock indicating that it may be

13
misc/mke2fs.c
View File

@ -423,14 +423,11 @@ static void write_inode_tables(ext2_filsys fs, int lazy_flag)
if (lazy_flag) {
ipb = fs->blocksize / EXT2_INODE_SIZE(fs->super);
printf("bg %i, num %d, ipb %d, unused %d ",
i, num, ipb, fs->group_desc[i].bg_itable_unused);
num = ((((fs->super->s_inodes_per_group -
fs->group_desc[i].bg_itable_unused) *
EXT2_INODE_SIZE(fs->super)) +
EXT2_BLOCK_SIZE(fs->super) - 1) /
EXT2_BLOCK_SIZE(fs->super));
printf("new num %d\n", num);
} else {
/* The kernel doesn't need to zero the itable blocks */
fs->group_desc[i].bg_flags |= EXT2_BG_INODE_ZEROED;
@ -843,12 +840,10 @@ static void parse_extended_opts(struct ext2_super_block *param,
} else if (!strcmp(token, "test_fs")) {
param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
} else if (!strcmp(token, "lazy_itable_init")) {
if (!arg) {
r_usage++;
badopt = token;
continue;
}
lazy_itable_init = strtoul(arg, &p, 0);
if (arg)
lazy_itable_init = strtoul(arg, &p, 0);
else
lazy_itable_init = 1;
} else {
r_usage++;
badopt = token;