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hw/9pfs: Add st_gen support in getattr reply
This patch use file system specific ioctl for getting i_generationvalue. Not all file system support the ioctl. So we add an exportspecific extended operation and assign right callback for thefile system that support i_generation ioctl...
hw/9pfs: Use fs driver specific lstat
Use file system driver specific lstat instead of generic lstat.
Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
hw/9pfs: Use export_flag for indicating whether fs driver use path names.
This allows us to remove another member from the struct
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
hw/9pfs: Rename fstype to fsdriver to make it consistent across VirtFS code
hw/9pfs: Use export flag for indicating security model
This helps to remove some of the structure members
hw/9pfs: Ensure an error is reported to user if 9pfs mount tag is too long
If the 9pfs mount tag is longer than MAX_TAG_LEN bytes, rather thansilently truncating the tag which will likely break the guest OS,report an immediate error and exit QEMU
hw/9pfs: Use ioeventfd for 9p
With ioeventfd:[root@qemu-img-64 storage]# dd if=/dev/zero of=/storage/testx bs=8k count=131072 oflag=direct131072+0 records in131072+0 records out1073741824 bytes (1.1 GB) copied, 26.767 s, 40.1 MB/s
Without:[root@qemu-img-64 storage]# dd if=/dev/zero of=/storage/testx bs=8k count=131072 oflag=direct...
hw/9pfs: Add new virtfs option writeout=immediate skip host page cache
writeout=immediate implies the after pwritev we do a sync_file_range.
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
hw/9pfs: Use read-write lock for protecting fid path.
On rename we take the write lock and this ensure pathdoesn't change as we operate on them.
hw/9pfs: Add init callback to fs driver
This call back can be used to do fs driver specific initialization.
hw/9pfs: Add fs driver specific details to fscontext
Add a new context flag PATHNAME_FSCONTEXT and indicate whetherthe fs driver track fid using path names. Also add a privatepointer that help us to track fs driver specific values in there
hw/9pfs: Implement TFLUSH operation
hw/9pfs: Add file descriptor reclaim support
[M. Mohan Kumar <mohan@in.ibm.com> removed some unused variables]
hw/9pfs: init fid list properly
Use glib memory allocation and free functions
qemu_malloc/qemu_free no longer exist after this commit.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
[virtio-9p] Add infrastructure to support glib threads and coroutines.
This patch is originally made by Arun Bharadwaj for glib support.Later Harsh Prateek Bora added coroutines support.This version implemented with suggestions fromStefan Hajnoczi <stefanha@linux.vnet.ibm.com>....
Merge remote-tracking branch 'origin/master' into pci
Conflicts: hw/virtio-pci.c
virtio-9p: Use relative includes for files in hw
Commit 353ac78d495ef976242abd868f68d78420861c2c moved the fileswithout fixing the include paths. It used a modified CFLAGSto add hw to the include search path, but this breaks buildswhere the user wants to set special CFLAGS. Long include paths...
virtio-9p: Move device specific code to virtio-9p-device
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>Signed-off-by: Venkateswararao Jujjuri (JV) <jvrao@linux.vnet.ibm.com>