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Jan Kara 3998b9301d [PATCH] jbd: fix commit of ordered data buffers ... Original commit code assumes, that when a buffer on BJ_SyncData list is locked, it is being written to disk. But this is not true and hence it can lead to a potential data loss on crash. Also the code didn't count with the fact that journal_dirty_data() can steal buffers from committing transaction and hence could write buffers that no longer belong to the committing transaction. Finally it could possibly happen that we tried writing out one buffer several times. The patch below tries to solve these problems by a complete rewrite of the data commit code. We go through buffers on t_sync_datalist, lock buffers needing write out and store them in an array. Buffers are also immediately refiled to BJ_Locked list or unfiled (if the write out is completed). When the array is full or we have to block on buffer lock, we submit all accumulated buffers for IO. [suitable for 2.6.18.x around the 2.6.19-rc2 timeframe] Signed-off-by: Jan Kara <jack@suse.cz> Cc: Badari Pulavarty <pbadari@us.ibm.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		19 years ago
..
Makefile	Linux-2.6.12-rc2	20 years ago
checkpoint.c	[PATCH] JBD: split checkpoint lists	19 years ago
commit.c	[PATCH] jbd: fix commit of ordered data buffers	19 years ago
journal.c	[PATCH] Manage jbd allocations from its own slabs	19 years ago
recovery.c	[PATCH] ext3: fix memory leak when the journal file is corrupted	19 years ago
revoke.c	[PATCH] Change ll_rw_block() calls in JBD	20 years ago
transaction.c	[PATCH] manage-jbd-its-own-slab fix	19 years ago