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f742ae018e
Speeds up reading from a RAM disk via ib_srpt by about 30%. Tested with iSCSI-SCST, ib_srpt and scst_local. Signed-off-by: Bart Van Assche <bvanassche@acm.org> In it: - Fixed NULLIO, which the original patch breaks - Changed on all fast paths sBUG_ON() on EXTRACHECKS_BUG_ON() - Fixed errors path in non_fileio_exec() and fileio_alloc_data_buf(). - Renamed zero_copy_read to just zero_copy. - Docs and change log updated - Some cleanups git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4213 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This is the SCST development repository. It contains not a single project SCST as one can think, but a number of them, which are divided as the following: 1. SCST core in scst/ subdirectory 2. Administration utility for SCST core scstadmin in scstadmin/ 3. Target drivers in own subdirectories qla2x00t/, iscsi-scst/, etc. 4. User space programs in usr/ subdirectory, like fileio_tgt. 5. Some various docs in doc/ subdirectory. Those subprojects are in most cases independent from each other, although some of them depend from the SCST core. They put in the single repository only to simplify their development, they are released independently. Thus, use "make all" only if you really need to build everything. Otherwise build only what you need, like for iSCSI-SCST: make scst scst_install iscsi iscsi_install For more information about each subproject see their README files. Vladislav Bolkhovitin <vst@vlnb.net>, http://scst.sourceforge.net