mke2fs also creates quota inodes (userquota: inode# 3 and
groupquota: inode #4) inodes while creating a filesystem when 'quota'
feature is set.
# To set quota feature and initialize quota inodes during mke2fs:
$mke2fs -t ext4 -O quota /dev/ram1
Signed-off-by: Aditya Kali <adityakali@xxxxxxxxxx>
---
misc/Makefile.in | 14 ++++++++------
misc/mke2fs.8.in | 5 +++++
misc/mke2fs.c | 21 ++++++++++++++++++++-
3 files changed, 33 insertions(+), 7 deletions(-)
diff --git a/misc/Makefile.in b/misc/Makefile.in
index 5f62323..2f7908c 100644
--- a/misc/Makefile.in
+++ b/misc/Makefile.in
@@ -219,23 +219,25 @@ mklost+found: $(MKLPF_OBJS)
$(Q) $(CC) $(ALL_LDFLAGS) -o mklost+found $(MKLPF_OBJS) $(LIBINTL)
mke2fs: $(MKE2FS_OBJS) $(DEPLIBS) $(LIBE2P) $(DEPLIBBLKID) $(DEPLIBUUID) \
- $(LIBEXT2FS)
+ $(DEPLIBQUOTA) $(LIBEXT2FS)
$(E) " LD $@"
$(Q) $(CC) $(ALL_LDFLAGS) -o mke2fs $(MKE2FS_OBJS) $(LIBS) $(LIBBLKID) \
- $(LIBUUID) $(LIBEXT2FS) $(LIBE2P) $(LIBINTL)
+ $(LIBUUID) $(LIBQUOTA) $(LIBEXT2FS) $(LIBE2P) $(LIBINTL)
-mke2fs.static: $(MKE2FS_OBJS) $(STATIC_DEPLIBS) $(STATIC_LIBE2P) $(DEPSTATIC_LIBUUID) $(DEPSTATIC_LIBBLKID)
+mke2fs.static: $(MKE2FS_OBJS) $(STATIC_DEPLIBS) $(STATIC_LIBE2P) $(DEPSTATIC_LIBUUID) \
+ $(DEPSTATIC_LIBQUOTA) $(DEPSTATIC_LIBBLKID)
$(E) " LD $@"
$(Q) $(CC) $(ALL_LDFLAGS) -static -o mke2fs.static $(MKE2FS_OBJS) \
$(STATIC_LIBS) $(STATIC_LIBE2P) $(STATIC_LIBBLKID) \
- $(STATIC_LIBUUID) $(LIBINTL)
+ $(STATIC_LIBUUID) $(STATIC_LIBQUOTA) $(LIBINTL)
mke2fs.profiled: $(PROFILED_MKE2FS_OBJS) $(PROFILED_DEPLIBS) \
- $(PROFILED_LIBE2P) $(PROFILED_DEPLIBBLKID) $(PROFILED_DEPLIBUUID)
+ $(PROFILED_LIBE2P) $(PROFILED_DEPLIBBLKID) $(PROFILED_DEPLIBUUID) \
+ $(PROFILED_LIBQUOTA)
$(E) " LD $@"
$(Q) $(CC) $(ALL_LDFLAGS) -g -pg -o mke2fs.profiled \
$(PROFILED_MKE2FS_OBJS) $(PROFILED_LIBBLKID) \
- $(PROFILED_LIBUUID) $(PROFILED_LIBE2P) $(LIBINTL) \
+ $(PROFILED_LIBUUID) $(PROFILED_LIBQUOTA) $(PROFILED_LIBE2P) $(LIBINTL) \
$(PROFILED_LIBS)
chattr: $(CHATTR_OBJS) $(DEPLIBS_E2P)
diff --git a/misc/mke2fs.8.in b/misc/mke2fs.8.in
index 0d4b046..41ed4d7 100644
--- a/misc/mke2fs.8.in
+++ b/misc/mke2fs.8.in
@@ -528,6 +528,11 @@ option).
Filesystem can contain files that are greater than 2GB. (Modern kernels
set this feature automatically when a file > 2GB is created.)
.TP
+.B quota
+Create quota inodes (inode# 3 for userquota and inode# 4 for group quota) and
+set them in the superblock. With this feature, the quotas will be enabled
+automatically when the filesystem is mounted.
+.TP
.B resize_inode
Reserve space so the block group descriptor table may grow in the future.
Useful for online resizing using
diff --git a/misc/mke2fs.c b/misc/mke2fs.c
index e062bda..cf9c338 100644
--- a/misc/mke2fs.c
+++ b/misc/mke2fs.c
@@ -63,6 +63,7 @@ extern int optind;
#include "prof_err.h"
#include "../version.h"
#include "nls-enable.h"
+#include "quota/mkquota.h"
#define STRIDE_LENGTH 8
@@ -829,7 +830,8 @@ static __u32 ok_features[3] = {
EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
- EXT4_FEATURE_RO_COMPAT_BIGALLOC
+ EXT4_FEATURE_RO_COMPAT_BIGALLOC|
+ EXT4_FEATURE_RO_COMPAT_QUOTA
};
@@ -2137,6 +2139,19 @@ static void fix_cluster_bg_counts(ext2_filsys fs)
ext2fs_free_blocks_count_set(fs->super, EXT2FS_C2B(fs, tot_free));
}
+static int create_quota_inodes(ext2_filsys fs)
+{
+ quota_ctx_t qctx;
+
+ init_quota_context(&qctx, fs, -1);
+ compute_quota(qctx, -1);
+ write_quota_inode(qctx, USRQUOTA);
+ write_quota_inode(qctx, GRPQUOTA);
+ release_quota_context(&qctx);
+
+ return;
+}
+
int main (int argc, char *argv[])
{
errcode_t retval = 0;
@@ -2466,6 +2481,10 @@ no_journal:
if (EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
EXT4_FEATURE_RO_COMPAT_BIGALLOC))
fix_cluster_bg_counts(fs);
+ if (EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
+ EXT4_FEATURE_RO_COMPAT_QUOTA))
+ create_quota_inodes(fs);
+
if (!quiet)
printf(_("Writing superblocks and "
"filesystem accounting information: "));
--
1.7.3.1
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
