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Message-ID: <20140207224630.GD8801@fieldses.org> Date: Fri, 7 Feb 2014 17:46:30 -0500 From: "J. Bruce Fields" <bfields@...ldses.org> To: Miklos Szeredi <miklos@...redi.hu> Cc: viro@...IV.linux.org.uk, torvalds@...ux-foundation.org, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, hch@...radead.org, akpm@...ux-foundation.org, dhowells@...hat.com, zab@...hat.com, jack@...e.cz, luto@...capital.net, mszeredi@...e.cz Subject: Re: [PATCH 00/13] cross rename v4 On Fri, Feb 07, 2014 at 05:48:58PM +0100, Miklos Szeredi wrote: > Changes since the last version (based on Al's review): > > - cross-rename: fix locking of nondirectories for NFSv4 > - ext4: split cross-rename and plain rename into separate functions > - introduce i_op->rename2 with flags, don't touch ->rename > - last (optional) patch to merge ->rename2 back into ->rename > > The splitting of the ext4 implemetation was indeed a good idea as it uncovered a > memory leak and small inconsistencies with the merged implementation. > > Splitting out rename2 will lessen the code churn, but I think is ugly. However > this is a question of taste, last patch can be ommitted without loss of > functionality. > > Bruce, could you please review the locking and delegation thing in patch #8 > "vfs: add cross-rename"? Yep, done. I'll also try running this through my nfs tests, for what it's worth. (Not today as there's some unrelated regression to sort out first.) Feel free to add a Reviewed-by: J. Bruce Fields <bfields@...hat.com> for any but the ext4 patches, which I skipped. --b. > > Git tree is here: > > git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git cross-rename > > Thanks, > Miklos > > --- > Miklos Szeredi (13): > vfs: add d_is_dir() > vfs: rename: move d_move() up > vfs: rename: use common code for dir and non-dir > vfs: add renameat2 syscall > vfs: add RENAME_NOREPLACE flag > security: add flags to rename hooks > vfs: lock_two_nondirectories: allow directory args > vfs: add cross-rename > ext4: rename: create ext4_renament structure for local vars > ext4: rename: move EMLINK check up > ext4: rename: split out helper functions > ext4: add cross rename support > vfs: merge rename2 into rename > > --- > Documentation/filesystems/Locking | 2 +- > Documentation/filesystems/vfs.txt | 14 +- > arch/x86/syscalls/syscall_64.tbl | 1 + > .../lustre/lustre/include/linux/lustre_compat25.h | 4 +- > drivers/staging/lustre/lustre/llite/namei.c | 3 +- > drivers/staging/lustre/lustre/lvfs/lvfs_linux.c | 2 +- > fs/9p/v9fs.h | 3 +- > fs/9p/vfs_inode.c | 4 +- > fs/affs/affs.h | 3 +- > fs/affs/namei.c | 3 +- > fs/afs/dir.c | 6 +- > fs/bad_inode.c | 3 +- > fs/bfs/dir.c | 3 +- > fs/btrfs/inode.c | 3 +- > fs/cachefiles/namei.c | 4 +- > fs/ceph/dir.c | 3 +- > fs/cifs/cifsfs.h | 2 +- > fs/cifs/inode.c | 3 +- > fs/coda/dir.c | 8 +- > fs/dcache.c | 45 +- > fs/debugfs/inode.c | 2 +- > fs/ecryptfs/inode.c | 5 +- > fs/exofs/namei.c | 3 +- > fs/ext2/namei.c | 5 +- > fs/ext3/namei.c | 5 +- > fs/ext4/namei.c | 483 +++++++++++++++------ > fs/ext4/super.c | 6 +- > fs/f2fs/namei.c | 3 +- > fs/fat/namei_msdos.c | 3 +- > fs/fat/namei_vfat.c | 3 +- > fs/fuse/dir.c | 3 +- > fs/gfs2/inode.c | 3 +- > fs/hfs/dir.c | 3 +- > fs/hfsplus/dir.c | 3 +- > fs/hostfs/hostfs_kern.c | 3 +- > fs/hpfs/namei.c | 3 +- > fs/inode.c | 20 +- > fs/jffs2/dir.c | 5 +- > fs/jfs/namei.c | 3 +- > fs/kernfs/dir.c | 3 +- > fs/libfs.c | 3 +- > fs/logfs/dir.c | 3 +- > fs/minix/namei.c | 5 +- > fs/namei.c | 310 +++++++------ > fs/ncpfs/dir.c | 5 +- > fs/nfs/dir.c | 3 +- > fs/nfs/internal.h | 3 +- > fs/nfsd/vfs.c | 2 +- > fs/nilfs2/namei.c | 3 +- > fs/ocfs2/namei.c | 3 +- > fs/omfs/dir.c | 3 +- > fs/reiserfs/namei.c | 3 +- > fs/sysv/namei.c | 5 +- > fs/ubifs/dir.c | 3 +- > fs/udf/namei.c | 3 +- > fs/ufs/namei.c | 3 +- > fs/xfs/xfs_iops.c | 3 +- > include/linux/dcache.h | 8 +- > include/linux/fs.h | 7 +- > include/linux/security.h | 12 +- > include/uapi/linux/fs.h | 3 + > kernel/cgroup.c | 5 +- > mm/shmem.c | 2 +- > security/security.c | 22 +- > 64 files changed, 736 insertions(+), 372 deletions(-) > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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