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Btrfs: Add root tree pointer transaction ids
authorYan Zheng <zheng.yan@oracle.com>
Wed, 29 Oct 2008 18:49:05 +0000 (14:49 -0400)
committerChris Mason <chris.mason@oracle.com>
Wed, 29 Oct 2008 18:49:05 +0000 (14:49 -0400)
commit84234f3a1f7c532e4afeba03cc8e7e4a8a5277ea
treec41f249b448f28b648b21c3898d0763b9c67ca6atree | snapshot
parent2517920135b0d29e70453e5b03d70d7b94207df3commit | diff
Btrfs: Add root tree pointer transaction ids

This patch adds transaction IDs to root tree pointers.
Transaction IDs in tree pointers are compared with the
generation numbers in block headers when reading root
blocks of trees. This can detect some types of IO errors.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
fs/btrfs/ctree.h diff | blob | history
fs/btrfs/disk-io.c diff | blob | history
fs/btrfs/extent-tree.c diff | blob | history
fs/btrfs/ioctl.c diff | blob | history
fs/btrfs/transaction.c diff | blob | history
fs/btrfs/tree-log.c diff | blob | history
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