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authorM. Mohan Kumar <mohan@in.ibm.com>2010-09-08 02:36:52 +0530
committerAnthony Liguori <aliguori@us.ibm.com>2010-10-20 12:10:58 -0500
commit8f35400358488ffa1147e9eab9e2c9cf0efd5e4e (patch)
treee605718005a05b35d5b215b882b1d0931156593c /hw/pcnet.c
parent82cc3ee88ba238ec3ba96f4673d8a184588b82a4 (diff)
qemu-virtio9p: Implement TGETLOCK
Synopsis size[4] TGetlock tag[2] fid[4] getlock[n] size[4] RGetlock tag[2] getlock[n] Description TGetlock is used to test for the existence of byte range posix locks on a file identified by given fid. The reply contains getlock structure. If the lock could be placed it returns F_UNLCK in type field of getlock structure. Otherwise it returns the details of the conflicting locks in the getlock structure getlock structure: type[1] - Type of lock: F_RDLCK, F_WRLCK start[8] - Starting offset for lock length[8] - Number of bytes to lock If length is 0, lock all bytes starting at the location 'start' through to the end of file proc_id[4] - process id that wants to take lock/owns the task in case of reply client[4] - Client id of the system that owns the process Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Diffstat (limited to 'hw/pcnet.c')
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