On Thu 04-03-21 13:35:38, Sascha Hauer wrote: > Current quotactl syscall uses a path to a block device to specify the > filesystem to work on which makes it unsuitable for filesystems that > do not have a block device. This series adds a new syscall quotactl_path() > which replaces the path to the block device with a mountpath, but otherwise > behaves like original quotactl. > > This is done to add quota support to UBIFS. UBIFS quota support has been > posted several times with different approaches to put the mountpath into > the existing quotactl() syscall until it has been suggested to make it a > new syscall instead, so here it is. > > I'm not posting the full UBIFS quota series here as it remains unchanged > and I'd like to get feedback to the new syscall first. For those interested > the most recent series can be found here: https://lwn.net/Articles/810463/ Thanks. I've merged the two patches into my tree and will push them to Linus for the next merge window. Honza > > Changes since v2: > - Rebase on v5.12-rc1 > - replace mountpath.dentry->d_inode->i_sb with mountpath.mnt->mnt_sb > - fix wrong macro usage in arch/x86/entry/syscalls/syscall_32.tbl > - +Cc linux-api@xxxxxxxxxxxxxxx > > Changes since (implicit) v1: > - Ignore second path argument to Q_QUOTAON. With this quotactl_path() can > only do the Q_QUOTAON operation on filesystems which use hidden inodes > for quota metadata storage > - Drop unnecessary quotactl_cmd_onoff() check > > Sascha Hauer (2): > quota: Add mountpath based quota support > quota: wire up quotactl_path > > arch/alpha/kernel/syscalls/syscall.tbl | 1 + > arch/arm/tools/syscall.tbl | 1 + > arch/arm64/include/asm/unistd.h | 2 +- > arch/arm64/include/asm/unistd32.h | 2 + > arch/ia64/kernel/syscalls/syscall.tbl | 1 + > arch/m68k/kernel/syscalls/syscall.tbl | 1 + > arch/microblaze/kernel/syscalls/syscall.tbl | 1 + > arch/mips/kernel/syscalls/syscall_n32.tbl | 1 + > arch/mips/kernel/syscalls/syscall_n64.tbl | 1 + > arch/mips/kernel/syscalls/syscall_o32.tbl | 1 + > arch/parisc/kernel/syscalls/syscall.tbl | 1 + > arch/powerpc/kernel/syscalls/syscall.tbl | 1 + > arch/s390/kernel/syscalls/syscall.tbl | 1 + > arch/sh/kernel/syscalls/syscall.tbl | 1 + > arch/sparc/kernel/syscalls/syscall.tbl | 1 + > arch/x86/entry/syscalls/syscall_32.tbl | 1 + > arch/x86/entry/syscalls/syscall_64.tbl | 1 + > arch/xtensa/kernel/syscalls/syscall.tbl | 1 + > fs/quota/quota.c | 49 +++++++++++++++++++-- > include/linux/syscalls.h | 2 + > include/uapi/asm-generic/unistd.h | 4 +- > kernel/sys_ni.c | 1 + > 22 files changed, 71 insertions(+), 5 deletions(-) > > -- > 2.29.2 > -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR
