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65 lines
2.1 KiB
65 lines
2.1 KiB
package mount
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import "github.com/hanwen/go-fuse/v2/fuse"
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// https://github.com/libfuse/libfuse/blob/48ae2e72b39b6a31cb2194f6f11786b7ca06aac6/include/fuse.h#L778
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/**
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* Copy a range of data from one file to anotherNiels de Vos, 4 years ago: • libfuse: add copy_file_range() support
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*
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* Performs an optimized copy between two file descriptors without the
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* additional cost of transferring data through the FUSE kernel module
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* to user space (glibc) and then back into the FUSE filesystem again.
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*
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* In case this method is not implemented, applications are expected to
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* fall back to a regular file copy. (Some glibc versions did this
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* emulation automatically, but the emulation has been removed from all
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* glibc release branches.)
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*/
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func (wfs *WFS) CopyFileRange(cancel <-chan struct{}, in *fuse.CopyFileRangeIn) (written uint32, code fuse.Status) {
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return 0, fuse.ENOSYS
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}
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/**
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* Allocates space for an open file
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*
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* This function ensures that required space is allocated for specified
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* file. If this function returns success then any subsequent write
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* request to specified range is guaranteed not to fail because of lack
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* of space on the file system media.
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*/
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func (wfs *WFS) Fallocate(cancel <-chan struct{}, in *fuse.FallocateIn) (code fuse.Status) {
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return fuse.ENOSYS
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}
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/**
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* Find next data or hole after the specified offset
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*/
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func (wfs *WFS) Lseek(cancel <-chan struct{}, in *fuse.LseekIn, out *fuse.LseekOut) fuse.Status {
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return fuse.ENOSYS
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}
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func (wfs *WFS) GetLk(cancel <-chan struct{}, in *fuse.LkIn, out *fuse.LkOut) (code fuse.Status) {
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return fuse.ENOSYS
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}
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func (wfs *WFS) SetLk(cancel <-chan struct{}, in *fuse.LkIn) (code fuse.Status) {
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return fuse.ENOSYS
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}
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func (wfs *WFS) SetLkw(cancel <-chan struct{}, in *fuse.LkIn) (code fuse.Status) {
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return fuse.ENOSYS
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}
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/**
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* Check file access permissions
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*
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* This will be called for the access() system call. If the
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* 'default_permissions' mount option is given, this method is not
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* called.
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*
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* This method is not called under Linux kernel versions 2.4.x
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*/
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func (wfs *WFS) Access(cancel <-chan struct{}, input *fuse.AccessIn) (code fuse.Status) {
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return fuse.ENOSYS
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}
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