The kernel communication code used for HSM and changelog is
entangled. Move the user space bits into the liblustreapi. This will
also help for a possible relicensing. The kernel portion is also moved
from libcfs to obdclass.
The original libcfs_kernelcomm.h header is split into three parts:
* lustre_kernelcomm.h, a new header for the kernel parts;
* uapi_kernelcomm.h, a new header for the data structures shared
between userspace and kernelspace;
* lustreapi_internal.h receives the private liblustreapi prototypes.
The original code in kernel_user_comm.c is split into two parts:
* obdclass/kernelcomm.c for the kernel part. filp_user_write() was
moved there, and linux-fs.c deleted;
* liblustreapi_kernelconn.c for the user part. The calls to CDEBUG
have been removed, and calls to CERROR have been transformed to
llapi_err_noerrno. The type lustre_kernelcomm has been removed and
replace by struct lustre_kernelcomm.
Various names and filenames have been harmonized to *kernelcomm*.
The unused symbol KUC_FL_BLOCK has been removed.
Signed-off-by: frank zago <fzago@xxxxxxxx>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6245
Reviewed-on: http://review.whamcloud.com/14270
Reviewed-by: Nathan Rutman <nathan.rutman@xxxxxxxxxxx>
Reviewed-by: James Simmons <uja.ornl@xxxxxxxxx>
Reviewed-by: Dmitry Eremin <dmitry.eremin@xxxxxxxxx>
Reviewed-by: John L. Hammond <john.hammond@xxxxxxxxx>
Reviewed-by: Oleg Drokin <oleg.drokin@xxxxxxxxx>
Henri Doreau (1):
staging:lustre: Prevent duplicate CT registrations
James Simmons (1):
staging:lustre: kg_sem semaphore handling is incorrectly
frank zago (3):
staging:lustre: move kernel_user_comm.c from libcfs to lustre
staging:lustre: split kernel comm between user and kernel
staging:lustre: Update license and copyright for kernel comm
.../staging/lustre/include/linux/libcfs/libcfs.h | 1 -
.../staging/lustre/lustre/include/lustre_export.h | 7 +++
.../lustre/lustre/include/lustre_kernelcomm.h | 56 ++++++++++++++++++++
.../include/uapi_kernelcomm.h} | 52 +++++--------------
drivers/staging/lustre/lustre/libcfs/Makefile | 5 +-
drivers/staging/lustre/lustre/llite/dir.c | 1 +
drivers/staging/lustre/lustre/lmv/lmv_obd.c | 43 +++++++++++-----
drivers/staging/lustre/lustre/mdc/lproc_mdc.c | 2 +
drivers/staging/lustre/lustre/mdc/mdc_request.c | 23 +++++---
drivers/staging/lustre/lustre/obdclass/Makefile | 7 ++-
drivers/staging/lustre/lustre/obdclass/genops.c | 1 +
.../kernel_user_comm.c => obdclass/kernelcomm.c} | 40 +++++++-------
12 files changed, 150 insertions(+), 88 deletions(-)
create mode 100644 drivers/staging/lustre/lustre/include/lustre_kernelcomm.h
rename drivers/staging/lustre/{include/linux/libcfs/libcfs_kernelcomm.h => lustre/include/uapi_kernelcomm.h} (61%)
rename drivers/staging/lustre/lustre/{libcfs/kernel_user_comm.c => obdclass/kernelcomm.c} (88%)
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