linux-ext4 - [Bug 15768] Incorrectly calculated free blocks result in ENOSPC from writepage

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Date:	Mon, 12 Apr 2010 11:32:48 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 15768] Incorrectly calculated free blocks result in ENOSPC from
 writepage

https://bugzilla.kernel.org/show_bug.cgi?id=15768

--- Comment #1 from Dmitry Monakhov <dmonakhov@...nvz.org>  2010-04-12 11:32:41 ---
dmesg after testcase check 

kjournald2 starting: pid 1310, dev sdb1:8, commit interval 5 seconds
EXT4-fs (sdb1): internal journal on sdb1:8
EXT4-fs (sdb1): delayed allocation enabled
EXT4-fs: file extents enabled
EXT4-fs: mballoc enabled
EXT4-fs (sdb1): recovery complete
EXT4-fs (sdb1): mounted filesystem with ordered data mode
mpage_da_map_blocks block allocation failed for inode 14 at logical offset 4667
with max blocks 5192 with error -28
This should not happen.!! Data will be lost
Total free blocks count 0
Free/Dirty block details
free_blocks=7222
dirty_blocks=5209
Block reservation details
i_reserved_data_blocks=5192
i_reserved_meta_blocks=17

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