Reading DASD specific sysfs attributes should be collected in one
library. Move get_host_access_count() to libdasd/dasd_sys.
Remove the old implementation and update any user accordingly.
Also, fix the build order for zdsfs.
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
Use the newer and more robust libutil provided function
util_sys_get_dev_addr() to identify a device address for any former user
of u2s_getbusid().
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
dasdview and libdasd deal with DASD bus ids and should use a definition
for the size. libu2s already provides a definition, which is used by
dasdview. However, the size of 32 is a bit much and the definition
should be part of libdasd.
Including the terminating null byte ('\0') and considering a DASD bus id
length of 8 characters (e.g. 0.0.4711), this leads to a size of 9.
Provide such a definition via libdasd and update any user.
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
Don't rely on rather arbitrary values for the string buffer size of
different sysfs paths. Instead use util_path_sysfs(), which allocates
the exact amount of memory necessary for a certain path string.
As these path strings are dynamically constructed, potential buffer
overflows can hereby be avoided and make the library functions more
robust.
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
Enable zdsfs to access datasets that were created after zdsfs was
mounted without the need to remount zdsfs.
This is done by re-reading the VTOC with every readdir system call.
To ensure a consistent VTOC state the DASD device is reserved for
every VTOC read and released afterwards.
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is based on the s390-tools-1.39.0 version.
Changes on top of s390-tools-1.39.0:
- Add MIT license to all source files
- Add LICENSE file
- Transform REAMDE to README.md (markdown)
- Add AUTHORS.md file
- Add CONTRIBUTING.md file
- Move changelog from README to CHANGELOG.md file
Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
