Thanks everyone for the feedback. Here's [PATCH v2], with these notable changes since [PATCH 0/5 resend]: - made bisect-safe "Freeze and thaw the journal on ext4 freeze" - functional change: allow read-only quota subcmds when frozen - added "VFS: Rename and refactor writeback_inodes_sb_if_idle" - split-out "VFS: Avoid read-write deadlock in try_to_writeback_inodes_sb" - split-out "VFS: Document s_frozen state through freeze_super" - dropped "VFS: Rename vfs_check_frozen()" ----- This set of filesystem freeze/thaw deadlock patches is submitted on behalf of the authors, Kamal Mostafa, Surbhi Palande and Valerie Aurora. The patches fix the bug: BugLink: https://bugs.launchpad.net/bugs/897421 Kamal Mostafa (1): VFS: Rename and refactor writeback_inodes_sb_if_idle Surbhi Palande (2): Adding support to freeze and unfreeze a journal Freeze and thaw the journal on ext4 freeze Valerie Aurora (4): VFS: Fix s_umount thaw/write deadlock VFS: Avoid read-write deadlock in try_to_writeback_inodes_sb VFS: Document s_frozen state through freeze_super Documentation: Correct s_umount state for freeze_fs/unfreeze_fs Documentation/filesystems/Locking | 4 +- fs/btrfs/extent-tree.c | 2 +- fs/ext4/inode.c | 2 +- fs/ext4/super.c | 13 +++++----- fs/fs-writeback.c | 46 +++++++++++++++++++++--------------- fs/jbd2/journal.c | 1 + fs/jbd2/transaction.c | 42 +++++++++++++++++++++++++++++++++ fs/quota/quota.c | 21 ++++++++++++++++- fs/super.c | 26 +++++++++++++++++++++ fs/sync.c | 4 +- include/linux/fs.h | 7 +++++- include/linux/jbd2.h | 7 +++++ include/linux/writeback.h | 4 +- 13 files changed, 143 insertions(+), 36 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
