search for: compat_ro_flags

...rfs/ctree.h b/fs/btrfs/ctree.h index 0d82922..a883e47 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1360,6 +1360,17 @@ struct btrfs_fs_info { wait_queue_head_t transaction_blocked_wait; wait_queue_head_t async_submit_wait; + /* + * Used to protect the incompat_flags, compat_flags, compat_ro_flags + * when they are updated. + * + * Because we do not clear the flags for ever, so we needn''t use + * the lock on the read side. + * + * We also needn''t use the lock when we mount the fs, because + * there is no other task which will update the flag. + */ + spinlock_t super...

...sed; + __le64 root_dir_objectid; + __le64 num_devices; + __le32 sectorsize; + __le32 nodesize; + __le32 leafsize; + __le32 stripesize; + __le32 sys_chunk_array_size; + __le64 chunk_root_generation; + __le64 compat_flags; + __le64 compat_ro_flags; + __le64 incompat_flags; + __le16 csum_type; + __u8 root_level; + __u8 chunk_root_level; + __u8 log_root_level; + /* truncated here for klibc */ +} __attribute__ ((__packed__)); + +#endif /* __BTRFS_FS_H */ diff --git a/usr/kinit/fstype/fstype.c b/usr/kinit/fstyp...

Hi, The following patches add support for ext4 and btrfs to PV-GRUB. These patches are taken nearly verbatim from those provided by Fedora and Gentoo. We''ve been using these patches for the PV-GRUB images available in EC2 for some time now with no problems. Changes from v1: - Makefile has been changed to check the exit code from patch - The btrfs patch has been rebased to apply