- 25 9月, 2008 12 次提交
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由 Chris Mason 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Chris Mason 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Chris Mason 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Chris Mason 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Chris Mason 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Christoph Hellwig 提交于
Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Yan 提交于
The first change removes potential double free, the second fix a off by one error. Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Yan 提交于
I think check whether extent is a hole before update 'inode->i_blocks' is unconditional required. (original codes check it only when del_item isn't equal to 0) Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Yan 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Yan 提交于
found_type has already been decreased by codes above the change, I think decrease it by one again doesn't make sense. Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Chris Mason 提交于
find_free_extent would fail to wrap around to the start of the drive because it was doing the enospc case checking twice in some cases, causing it to return -ENOSPC early. Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Chris Mason 提交于
btrfs_btree_balance_dirty is changed to pass the number of pages dirtied for more accurate dirty throttling. This lets the VM make better decisions about when to force some writeback. Signed-off-by: NChris Mason <chris.mason@oracle.com>
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- 15 9月, 2007 1 次提交
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由 Yan 提交于
Cache block group was overly complex and missed free blocks at the very start of the group. This patch simplifies things significantly. Signed-off-by: NChris Mason <chris.mason@oracle.com>
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- 14 9月, 2007 6 次提交
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由 Yan 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Christoph Hellwig 提交于
Add a helper per ioctl function to make the code more readable. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Christoph Hellwig 提交于
No reason to grab the BKL before calling into the btrfs ioctl code. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Jan Engelhardt 提交于
Single-colons will do here. Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Chris Mason 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Chris Mason 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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- 11 9月, 2007 9 次提交
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由 Chris Mason 提交于
Dead roots are trees left over after a crash, and they were either in the process of being removed or were waiting to be removed when the box crashed. Before, a search of the entire tree of root pointers was done on mount looking for dead roots. Now, the search is done the first time we load a root. This makes mount faster when there are a large number of snapshots, and it enables the block accounting code to properly update the block counts on the latest root as old versions of the root are reaped after a crash. Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Christoph Hellwig 提交于
XFS updates the ondisk inode size only after the data I/O has finished, so it needs a hook when the writepage end_bio handler has finished. Might not be worth applying as-is as the per-page callback is very ineffcient. What XFS really wants is a callback when writeout of a whole extent has completed. This delayed i_size updates scheme might be worthwile for btrfs aswell, btw. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Christoph Hellwig 提交于
The writepage_io is not mandatory, e.g. my port of xfs to the extent_map code does not have one for now. So handle a NULL pointer gracefully here. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Christoph Hellwig 提交于
generic_bmap is completely trivial, while the extent to bh mapping in btrfs is rather complex. So provide a extent_bmap instead that takes a get_extent callback and can be used by filesystem using the extent_map code. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Christoph Hellwig 提交于
The bio completion handlers can be run in any context, e.g. when using the old ide driver they run in hardirq context with irqs disabled so lockdep rightfully warns about using write_lock_irq useage in these handlers. This patch switches clear_extent_bit and set_extent_bit to write_lock_irqsave to fix this problem. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Christoph Hellwig 提交于
Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Chris Mason 提交于
Yan Zheng noticed that set_extent_bit was exiting too early when there was a hole in the map. The fix is to reorder the tests to check for the hole first. Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Chris Mason 提交于
File data checksums are only done during writepage, so we have to make sure all pages are written when the snapshot is taken. This also adds some locking so that new writes don't race in and add new dirty pages. Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Chris Mason 提交于
defrag. Signed-off-by: NChris Mason <chris.mason@oracle.com>
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- 31 8月, 2007 1 次提交
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由 Chris Mason 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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- 30 8月, 2007 2 次提交
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由 Chris Mason 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Chris Mason 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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- 29 8月, 2007 5 次提交
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由 Chris Mason 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Yan 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Yan 提交于
Modified form of original patch from Christoph Hellwig to make btrfs mount into the default subvolume by default. mount /dev/somedevice:subvolumename to get other subvolumes or mount /dev/somedevice:. to get the root Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Yan 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Yan 提交于
Fixup a few buffer_head release errors, and fix an off by one in balance_node_right. Signed-off-by: NChris Mason <chris.mason@oracle.com>
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- 30 8月, 2007 1 次提交
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由 Josef Bacik 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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- 28 8月, 2007 3 次提交
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由 Chris Mason 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Chris Mason 提交于
instead of buffer heads. Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Chris Mason 提交于
Signed-off-by: NChris Mason <chris.mason@oracle.com>
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