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2012 Apr 26
7
[PATCH 2/4] Btrfs: fix deadlock on sb->s_umount when doing umount
The reason the deadlock is that:
Task Btrfs-cleaner
umount()
down_write(&s->s_umount)
sync_filesystem()
do auto-defragment and produce
lots of dirty pages
close_ctree()
wait for the end of
btrfs-cleaner
start_transaction
reserve space
shrink_delalloc()
writeback_inodes_sb_nr_if_idle()
2002 Dec 15
1
ext3 updates for 2.4.20
There are three patches at
http://www.zip.com.au/~akpm/linux/patches/2.4/2.4.20/
sync_fs.patch:
Fix the ext3 data=journal data-loss-on-unmount bug
sync_fs-fix.patch:
Fix sync_fs.patch to not deadlock the fs when running
`mount -o remount' against a heavily loaded filesystem.
ext3-use-after-free.patch
Fix a use-after-free bug which can cause memory corruption
if the filesystem runs