fsr stucks in D-state

Hi,

I observed a hang in D-state when using xfs_fsr.

- xfsprogs is from git (3.0.2)
- kernel also (2.6.30-rc7...)

I tried 2.6.29.4 and it worked flawless. Machine is powerpc32.

Here is the sysrq-t trace:

xfs_fsr D 480f7f3c 0 4211 4210

Call Trace:                                                  

[d1adfc40] [00001032] 0x1032 (unreliable) [d1adfd00] [c0008dd8] __switch_to+0x4c/0x6c [d1adfd20] [c02c5294] __schedule+0x230/0x360 [d1adfd70] [c02c53ec] schedule+0x28/0x54 [d1adfd80] [c02c7964] rwsem_down_failed_common+0x104/0x25c [d1adfdb0] [c02c7ae4] rwsem_down_write_failed+0x28/0x40 [d1adfde0] [c02c6994] down_write+0x30/0x40 [d1adfdf0] [c012399c] xfs_ilock+0x9c/0xa0 [d1adfe00] [c014375c] xfs_inactive+0x2e8/0x48c [d1adfe40] [c015113c] xfs_fs_clear_inode+0x40/0x50 [d1adfe50] [c00ab764] clear_inode+0x68/0xec [d1adfe60] [c00ac02c] generic_delete_inode+0x16c/0x170 [d1adfe80] [c00aaf20] iput+0x70/0x90
[d1adfe90] [c00a7424] dentry_iput+0xc8/0x154 [d1adfeb0] [c00a75e0] d_kill+0x50/0x8c
[d1adfed0] [c00a80cc] dput+0x110/0x210
[d1adfef0] [c0095b50] __fput+0x178/0x204 [d1adff10] [c0091eec] filp_close+0x6c/0xa0 [d1adff30] [c0091fd4] sys_close+0xb4/0x124 [d1adff40] [c0011fc4] ret_from_syscall+0x0/0x38 --- Exception: c01 at 0x480f7f3c

    LR = 0x1000397c

Greetings

Marvin

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Hi again,

I pulled from "git://oss.sgi.com/xfs/xfs for-linus", which seems to include some deadlock fixes. Now, fsr no longer deadlocks, so this seems to be fixed. Sorry for the noise.

Marvin

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I'm pretty sure the fix was:

xfs: fix double unlock in xfs_swap_extents()

from Felix.

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