https://github.com/torvalds/linux
Revision e00da2067b78a9246f767012a3803224c40b1f9f authored by Alexander Block on 02 August 2012, 23:16:20 UTC, committed by Chris Mason on 09 August 2012, 15:01:54 UTC
We got a recursive lock in mksubvol because the caller already held a lock. I think we got into this due to a merge error. Commit a874a63 removed the mnt_want_write call from btrfs_mksubvol and added a replacement call to mnt_want_write_file in btrfs_ioctl_snap_create_transid. Commit e7848683 however tried to move all calls to mnt_want_write above i_mutex. So somewhere while merging this, it got mixed up. The solution is to remove the mnt_want_write call completely from mksubvol. Reported-by: David Sterba <dave@jikos.cz> Signed-off-by: Alexander Block <ablock84@googlemail.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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Tip revision: e00da2067b78a9246f767012a3803224c40b1f9f authored by Alexander Block on 02 August 2012, 23:16:20 UTC
Btrfs: remove mnt_want_write call in btrfs_mksubvol
Btrfs: remove mnt_want_write call in btrfs_mksubvol
Tip revision: e00da20
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| arch | ||
| block | ||
| crypto | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .gitignore | -rw-r--r-- | 1014 bytes |
| .mailmap | -rw-r--r-- | 4.4 KB |
| COPYING | -rw-r--r-- | 18.3 KB |
| CREDITS | -rw-r--r-- | 92.7 KB |
| Kbuild | -rw-r--r-- | 2.5 KB |
| Kconfig | -rw-r--r-- | 252 bytes |
| MAINTAINERS | -rw-r--r-- | 210.4 KB |
| Makefile | -rw-r--r-- | 46.1 KB |
| README | -rw-r--r-- | 17.3 KB |
| REPORTING-BUGS | -rw-r--r-- | 3.3 KB |
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