Flags definition for balance.

Error codes as returned by the kernel

Report balance progress to userspace. btrfs_balance_progress

balance control ioctl modes #define BTRFS_BALANCE_CTL_PAUSE 1 #define BTRFS_BALANCE_CTL_CANCEL 2 #define BTRFS_BALANCE_CTL_RESUME 3 this is packed, b

* * store balance parameters to disk so that balance can be properly * resumed after crash or unmount */

* dev extents record free space on individual devices. The owner * field points back to the chunk allocation mapping tree that allocated * the exte

* * This header contains the structure definitions and constants used * by file system objects that can be retrieved using * the _BTRFS_IOC_SEARCH_

btrfs_disk_key_raw is a raw bytes for btrfs_disk_key structure

* Super block flags */ * Errors detected */ * * items in the extent btree are used to record the objectid of the * owner of the block and the number

* old style backrefs item */

* additional stripes go here */

* name goes here */

With a @src_length of zero, the range from @src_offset->EOF is cloned!

For extent-same ioctl

the buf is an array of search headers where each header is followed by the actual item the type field is expanded to 32 bits for alignment

Extended version of TREE_SEARCH ioctl that can return more than 4k of bytes. The allocated size of the buffer is set in buf_size.