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authorLinus Torvalds <torvalds@linux-foundation.org>2016-07-25 02:07:52 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-07-25 02:07:52 +0300
commitb403f230448ed687edcc460cd46de652bc686b12 (patch)
tree991eb7b80b62be8f68e08d70e07a283194ee0e52 /MAINTAINERS
parent523d939ef98fd712632d93a5a2b588e477a7565e (diff)
parente1cb6be9e142e6cc6246f3ab2776b4d7a2b3d9f0 (diff)
downloadlinux-b403f230448ed687edcc460cd46de652bc686b12.tar.xz
Merge tag 'gfs2-4.7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 updates from Bob Peterson: "We've got ten patches this time, half of which are related to a plethora of nasty outcomes when inodes are transitioned from the unlinked state to the free state. Small file systems are particularly vulnerable to these problems, and it can manifest as mainly hangs, but also file system corruption. The patches have been tested for literally many weeks, with a very gruelling test, so I have a high level of confidence. - Andreas Gruenbacher wrote a series of five patches for various lockups during the transition of inodes from unlinked to free. The main patch is titled "Fix gfs2_lookup_by_inum lock inversion" and the other four are support and cleanup patches related to that. - Ben Marzinski contributed two patches with regard to a recreatable problem when gfs2 tries to write a page to a file that is being truncated, resulting in a BUG() in gfs2_remove_from_journal. Note that Ben had to export vfs function __block_write_full_page to get this to work properly. It's been posted a long time and he talked to various VFS people about it, and nobody seemed to mind. - I contributed 3 patches: o The first one fixes a memory corruptor: a race in which one process can overwrite the gl_object pointer set by another process, causing kernel panic and other symptoms. o The second patch fixes another race that resulted in a false-positive BUG_ON. This occurred when resource group reservations were freed by one process while another process was trying to grab a new reservation in the same resource group. o The third patch fixes a problem with doing journal replay when the journals are not all the same size" * tag 'gfs2-4.7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: GFS2: Fix gfs2_replay_incr_blk for multiple journal sizes GFS2: Check rs_free with rd_rsspin protection gfs2: writeout truncated pages fs: export __block_write_full_page gfs2: Lock holder cleanup gfs2: Large-filesystem fix for 32-bit systems gfs2: Get rid of gfs2_ilookup gfs2: Fix gfs2_lookup_by_inum lock inversion gfs2: Initialize iopen glock holder for new inodes GFS2: don't set rgrp gl_object until it's inserted into rgrp tree
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