* Sat Jan 10 2009 Eric Sandeen <sandeen@redhat.com> 1.41.3-3
- Remove conservative "don't change journal location" patch for F11 - Add btrfs recognition to blkid
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Eric Sandeen
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165
e2fsprogs-1.41.3-blkid-btrfs.patch
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165
e2fsprogs-1.41.3-blkid-btrfs.patch
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@ -0,0 +1,165 @@
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Add btrfs detection to libblkid, now that the disk format should be
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recognizable in the future.
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# misc/blkid /tmp/fsfile
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/tmp/fsfile: LABEL="mylabel" UUID="102b07f0-0e79-4b42-8a4e-1dde418bbe6d" TYPE="btrfs"
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Signed-off-by: Eric Sandeen <sandeen@redhat.com>
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---
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Index: e2fsprogs/lib/blkid/probe.c
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===================================================================
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--- e2fsprogs.orig/lib/blkid/probe.c
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+++ e2fsprogs/lib/blkid/probe.c
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@@ -1293,6 +1293,22 @@ static int probe_lvm2(struct blkid_probe
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return 0;
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}
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+
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+static int probe_btrfs(struct blkid_probe *probe,
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+ struct blkid_magic *id,
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+ unsigned char *buf)
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+{
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+ struct btrfs_super_block *bs;
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+ const char *label = 0;
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+
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+ bs = (struct btrfs_super_block *)buf;
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+
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+ if (strlen(bs->label))
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+ label = bs->label;
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+ blkid_set_tag(probe->dev, "LABEL", label, sizeof(bs->label));
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+ set_uuid(probe->dev, bs->fsid, 0);
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+ return 0;
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+}
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/*
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* Various filesystem magics that we can check for. Note that kboff and
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* sboff are in kilobytes and bytes respectively. All magics are in
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@@ -1386,6 +1402,7 @@ static struct blkid_magic type_array[] =
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{ "lvm2pv", 0, 0x018, 8, "LVM2 001", probe_lvm2 },
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{ "lvm2pv", 1, 0x018, 8, "LVM2 001", probe_lvm2 },
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{ "lvm2pv", 1, 0x218, 8, "LVM2 001", probe_lvm2 },
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+ { "btrfs", 64, 0x40, 8, "_BHRfS_M", probe_btrfs },
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{ NULL, 0, 0, 0, NULL, NULL }
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};
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Index: e2fsprogs/lib/blkid/probe.h
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===================================================================
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--- e2fsprogs.orig/lib/blkid/probe.h
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+++ e2fsprogs/lib/blkid/probe.h
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@@ -621,6 +621,110 @@ struct lvm2_pv_label_header {
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__u8 pv_uuid[LVM2_ID_LEN];
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} __attribute__ ((packed));
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+
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+/*
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+ * this is a very generous portion of the super block, giving us
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+ * room to translate 14 chunks with 3 stripes each.
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+ */
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+#define BTRFS_SYSTEM_CHUNK_ARRAY_SIZE 2048
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+#define BTRFS_LABEL_SIZE 256
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+#define BTRFS_UUID_SIZE 16
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+#define BTRFS_FSID_SIZE 16
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+#define BTRFS_CSUM_SIZE 32
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+
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+struct btrfs_dev_item {
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+ /* the internal btrfs device id */
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+ __u64 devid;
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+
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+ /* size of the device */
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+ __u64 total_bytes;
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+
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+ /* bytes used */
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+ __u64 bytes_used;
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+
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+ /* optimal io alignment for this device */
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+ __u32 io_align;
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+
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+ /* optimal io width for this device */
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+ __u32 io_width;
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+
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+ /* minimal io size for this device */
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+ __u32 sector_size;
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+
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+ /* type and info about this device */
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+ __u64 type;
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+
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+ /* expected generation for this device */
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+ __u64 generation;
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+
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+ /*
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+ * starting byte of this partition on the device,
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+ * to allowr for stripe alignment in the future
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+ */
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+ __u64 start_offset;
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+
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+ /* grouping information for allocation decisions */
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+ __u32 dev_group;
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+
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+ /* seek speed 0-100 where 100 is fastest */
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+ __u8 seek_speed;
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+
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+ /* bandwidth 0-100 where 100 is fastest */
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+ __u8 bandwidth;
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+
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+ /* btrfs generated uuid for this device */
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+ __u8 uuid[BTRFS_UUID_SIZE];
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+
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+ /* uuid of FS who owns this device */
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+ __u8 fsid[BTRFS_UUID_SIZE];
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+} __attribute__ ((__packed__));
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+
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+/*
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+ * the super block basically lists the main trees of the FS
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+ * it currently lacks any block count etc etc
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+ */
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+struct btrfs_super_block {
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+ __u8 csum[BTRFS_CSUM_SIZE];
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+ /* the first 3 fields must match struct btrfs_header */
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+ __u8 fsid[BTRFS_FSID_SIZE]; /* FS specific uuid */
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+ __u64 bytenr; /* this block number */
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+ __u64 flags;
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+
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+ /* allowed to be different from the btrfs_header from here own down */
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+ __u64 magic;
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+ __u64 generation;
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+ __u64 root;
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+ __u64 chunk_root;
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+ __u64 log_root;
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+
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+ /* this will help find the new super based on the log root */
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+ __u64 log_root_transid;
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+ __u64 total_bytes;
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+ __u64 bytes_used;
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+ __u64 root_dir_objectid;
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+ __u64 num_devices;
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+ __u32 sectorsize;
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+ __u32 nodesize;
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+ __u32 leafsize;
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+ __u32 stripesize;
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+ __u32 sys_chunk_array_size;
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+ __u64 chunk_root_generation;
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+ __u64 compat_flags;
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+ __u64 compat_ro_flags;
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+ __u64 incompat_flags;
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+ __u16 csum_type;
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+ __u8 root_level;
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+ __u8 chunk_root_level;
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+ __u8 log_root_level;
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+ struct btrfs_dev_item dev_item;
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+
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+ char label[BTRFS_LABEL_SIZE];
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+
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+ /* future expansion */
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+ __u64 reserved[32];
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+ __u8 sys_chunk_array[BTRFS_SYSTEM_CHUNK_ARRAY_SIZE];
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+} __attribute__ ((__packed__));
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+
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/*
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* Byte swap functions
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*/
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--
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@ -1,19 +0,0 @@
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Only move ext4's journal for now; I don't want to change this behavior
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for ext3 late in the release process.
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Index: e2fsprogs/lib/ext2fs/mkjournal.c
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===================================================================
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--- e2fsprogs.orig/lib/ext2fs/mkjournal.c
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+++ e2fsprogs/lib/ext2fs/mkjournal.c
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@@ -332,6 +332,10 @@ static errcode_t write_journal_inode(ext
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es.goal = (fs->super->s_blocks_per_group * group) +
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fs->super->s_first_data_block;
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+ /* quick conservative hack: if not ext4, just keep the goal at 0 */
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+ if (!(fs->super->s_feature_incompat & EXT3_FEATURE_INCOMPAT_EXTENTS))
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+ es.goal = 0;
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+
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retval = ext2fs_block_iterate2(fs, journal_ino, BLOCK_FLAG_APPEND,
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0, mkjournal_proc, &es);
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if (es.err) {
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@ -4,7 +4,7 @@
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Summary: Utilities for managing the second and third extended (ext2/ext3) filesystems
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Name: e2fsprogs
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Version: 1.41.3
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Release: 2%{?dist}
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Release: 3%{?dist}
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# License based on upstream-modified COPYING file,
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# which clearly states "V2" intent.
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License: GPLv2
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@ -15,7 +15,7 @@ Source2: blkid_types-wrapper.h
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Source3: uuidd.init
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Patch1: e2fsprogs-1.38-etcblkid.patch
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Patch2: e2fsprogs-1.40.4-sb_feature_check_ignore.patch
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Patch3: e2fsprogs-journal-move.patch
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Patch3: e2fsprogs-1.41.3-blkid-btrfs.patch
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Url: http://e2fsprogs.sourceforge.net/
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BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
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@ -292,6 +292,10 @@ fi
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%dir %attr(2775, uuidd, uuidd) /var/lib/libuuid
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%changelog
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* Sat Jan 10 2009 Eric Sandeen <sandeen@redhat.com> 1.41.3-3
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- Remove conservative "don't change journal location" patch for F11
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- Add btrfs recognition to blkid
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* Mon Oct 03 2008 Eric Sandeen <sandeen@redhat.com> 1.41.3-2
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- Bump to revision 2, f10 was behind f9, oops.
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