ping On 09.11.2018 13:33, Kirill Tkhai wrote: > v2: Removed patch [1/6] from v1, and [4/6] from v1 is replaced > with new patch (which is [2/5] in this v2). > > There was introduced fc->bg_lock to reduce the contention, > and this patchset continues this efforts. > > This patchset introduces per fuse_inode lock to protect > inode metadata, synchronization with background writes, etc. > All of the above is related to a single inode, and there > is no a reason, that inodes are concurrents of each other > to make some of actions exclusive. > > So, here we introduce fuse_inode::lock spinlock and get rid > of fc->lock in many places. > > --- > > Kirill Tkhai (5): > fuse: Add fuse_inode argument to fuse_prepare_release() > fuse: Convert fuse_conn::attr_version into atomic64_t > fuse: Introduce fuse_inode::lock to protect write related fields and statistics > fuse: Protect fuse_inode::nlookup with fuse_inode::lock > fuse: Protect fuse_file::reserved_req via corresponding fuse_inode::lock > > > fs/fuse/cuse.c | 3 + > fs/fuse/dev.c | 10 +++-- > fs/fuse/dir.c | 54 ++++++++++---------------- > fs/fuse/file.c | 111 ++++++++++++++++++++++++++++------------------------- > fs/fuse/fuse_i.h | 23 ++++++++--- > fs/fuse/inode.c | 17 +++++--- > fs/fuse/readdir.c | 4 +- > 7 files changed, 115 insertions(+), 107 deletions(-) > > -- > Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx> >
