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rebase: update github.com/ceph/go-ceph to master
this commit updates the version of go-ceph imported to latest, so we can make use of github.com/ceph/go-ceph/cephfs Signed-off-by: Riya Singhal <rsinghal@redhat.com>
This commit is contained in:
Riya Singhal
committed by
mergify[bot]
mergify[bot]
parent
aa55317c74
commit
4ccb299fd5
291
vendor/github.com/ceph/go-ceph/cephfs/path_xattr.go
generated
vendored
Normal file
291
vendor/github.com/ceph/go-ceph/cephfs/path_xattr.go
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vendored
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@ -0,0 +1,291 @@
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package cephfs
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/*
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#cgo LDFLAGS: -lcephfs
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#cgo CPPFLAGS: -D_FILE_OFFSET_BITS=64
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#define _GNU_SOURCE
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#include <stdlib.h>
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#include <cephfs/libcephfs.h>
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*/
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import "C"
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import (
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"unsafe"
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"github.com/ceph/go-ceph/internal/cutil"
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"github.com/ceph/go-ceph/internal/retry"
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)
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// SetXattr sets an extended attribute on the file at the supplied path.
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//
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// NOTE: Attempting to set an xattr value with an empty value may cause
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// the xattr to be unset. Please refer to https://tracker.ceph.com/issues/46084
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//
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// Implements:
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//
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// int ceph_setxattr(struct ceph_mount_info *cmount, const char *path, const char *name,
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// const void *value, size_t size, int flags);
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func (mount *MountInfo) SetXattr(path, name string, value []byte, flags XattrFlags) error {
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if err := mount.validate(); err != nil {
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return err
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}
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if name == "" {
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return errInvalid
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}
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var vptr unsafe.Pointer
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if len(value) > 0 {
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vptr = unsafe.Pointer(&value[0])
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}
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cPath := C.CString(path)
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defer C.free(unsafe.Pointer(cPath))
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cName := C.CString(name)
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defer C.free(unsafe.Pointer(cName))
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ret := C.ceph_setxattr(
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mount.mount,
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cPath,
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cName,
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vptr,
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C.size_t(len(value)),
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C.int(flags))
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return getError(ret)
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}
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// GetXattr gets an extended attribute from the file at the supplied path.
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//
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// Implements:
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//
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// int ceph_getxattr(struct ceph_mount_info *cmount, const char *path, const char *name,
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// void *value, size_t size);
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func (mount *MountInfo) GetXattr(path, name string) ([]byte, error) {
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if err := mount.validate(); err != nil {
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return nil, err
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}
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if name == "" {
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return nil, errInvalid
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}
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cPath := C.CString(path)
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defer C.free(unsafe.Pointer(cPath))
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cName := C.CString(name)
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defer C.free(unsafe.Pointer(cName))
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var (
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ret C.int
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err error
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buf []byte
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)
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// range from 1k to 64KiB
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retry.WithSizes(1024, 1<<16, func(size int) retry.Hint {
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buf = make([]byte, size)
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ret = C.ceph_getxattr(
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mount.mount,
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cPath,
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cName,
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unsafe.Pointer(&buf[0]),
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C.size_t(size))
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err = getErrorIfNegative(ret)
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return retry.DoubleSize.If(err == errRange)
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})
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if err != nil {
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return nil, err
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}
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return buf[:ret], nil
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}
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// ListXattr returns a slice containing strings for the name of each xattr set
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// on the file at the supplied path.
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//
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// Implements:
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//
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// int ceph_listxattr(struct ceph_mount_info *cmount, const char *path, char *list, size_t size);
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func (mount *MountInfo) ListXattr(path string) ([]string, error) {
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if err := mount.validate(); err != nil {
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return nil, err
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}
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cPath := C.CString(path)
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defer C.free(unsafe.Pointer(cPath))
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var (
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ret C.int
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err error
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buf []byte
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)
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// range from 1k to 64KiB
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retry.WithSizes(1024, 1<<16, func(size int) retry.Hint {
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buf = make([]byte, size)
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ret = C.ceph_listxattr(
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mount.mount,
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cPath,
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(*C.char)(unsafe.Pointer(&buf[0])),
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C.size_t(size))
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err = getErrorIfNegative(ret)
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return retry.DoubleSize.If(err == errRange)
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})
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if err != nil {
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return nil, err
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}
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names := cutil.SplitSparseBuffer(buf[:ret])
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return names, nil
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}
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// RemoveXattr removes the named xattr from the open file.
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//
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// Implements:
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//
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// int ceph_removexattr(struct ceph_mount_info *cmount, const char *path, const char *name);
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func (mount *MountInfo) RemoveXattr(path, name string) error {
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if err := mount.validate(); err != nil {
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return err
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}
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if name == "" {
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return errInvalid
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}
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cPath := C.CString(path)
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defer C.free(unsafe.Pointer(cPath))
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cName := C.CString(name)
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defer C.free(unsafe.Pointer(cName))
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ret := C.ceph_removexattr(
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mount.mount,
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cPath,
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cName)
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return getError(ret)
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}
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// LsetXattr sets an extended attribute on the file at the supplied path.
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//
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// NOTE: Attempting to set an xattr value with an empty value may cause
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// the xattr to be unset. Please refer to https://tracker.ceph.com/issues/46084
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//
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// Implements:
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//
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// int ceph_lsetxattr(struct ceph_mount_info *cmount, const char *path, const char *name,
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// const void *value, size_t size, int flags);
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func (mount *MountInfo) LsetXattr(path, name string, value []byte, flags XattrFlags) error {
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if err := mount.validate(); err != nil {
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return err
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}
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if name == "" {
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return errInvalid
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}
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var vptr unsafe.Pointer
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if len(value) > 0 {
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vptr = unsafe.Pointer(&value[0])
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}
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cPath := C.CString(path)
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defer C.free(unsafe.Pointer(cPath))
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cName := C.CString(name)
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defer C.free(unsafe.Pointer(cName))
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ret := C.ceph_lsetxattr(
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mount.mount,
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cPath,
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cName,
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vptr,
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C.size_t(len(value)),
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C.int(flags))
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return getError(ret)
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}
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// LgetXattr gets an extended attribute from the file at the supplied path.
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//
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// Implements:
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//
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// int ceph_lgetxattr(struct ceph_mount_info *cmount, const char *path, const char *name,
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// void *value, size_t size);
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func (mount *MountInfo) LgetXattr(path, name string) ([]byte, error) {
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if err := mount.validate(); err != nil {
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return nil, err
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}
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if name == "" {
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return nil, errInvalid
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}
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cPath := C.CString(path)
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defer C.free(unsafe.Pointer(cPath))
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cName := C.CString(name)
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defer C.free(unsafe.Pointer(cName))
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var (
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ret C.int
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err error
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buf []byte
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)
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// range from 1k to 64KiB
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retry.WithSizes(1024, 1<<16, func(size int) retry.Hint {
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buf = make([]byte, size)
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ret = C.ceph_lgetxattr(
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mount.mount,
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cPath,
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cName,
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unsafe.Pointer(&buf[0]),
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C.size_t(size))
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err = getErrorIfNegative(ret)
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return retry.DoubleSize.If(err == errRange)
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})
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if err != nil {
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return nil, err
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}
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return buf[:ret], nil
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}
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// LlistXattr returns a slice containing strings for the name of each xattr set
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// on the file at the supplied path.
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//
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// Implements:
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//
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// int ceph_llistxattr(struct ceph_mount_info *cmount, const char *path, char *list, size_t size);
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func (mount *MountInfo) LlistXattr(path string) ([]string, error) {
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if err := mount.validate(); err != nil {
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return nil, err
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}
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cPath := C.CString(path)
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defer C.free(unsafe.Pointer(cPath))
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var (
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ret C.int
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err error
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buf []byte
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)
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// range from 1k to 64KiB
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retry.WithSizes(1024, 1<<16, func(size int) retry.Hint {
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buf = make([]byte, size)
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ret = C.ceph_llistxattr(
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mount.mount,
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cPath,
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(*C.char)(unsafe.Pointer(&buf[0])),
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C.size_t(size))
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err = getErrorIfNegative(ret)
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return retry.DoubleSize.If(err == errRange)
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})
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if err != nil {
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return nil, err
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}
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names := cutil.SplitSparseBuffer(buf[:ret])
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return names, nil
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}
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// LremoveXattr removes the named xattr from the open file.
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//
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// Implements:
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//
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// int ceph_lremovexattr(struct ceph_mount_info *cmount, const char *path, const char *name);
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func (mount *MountInfo) LremoveXattr(path, name string) error {
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if err := mount.validate(); err != nil {
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return err
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}
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if name == "" {
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return errInvalid
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}
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cPath := C.CString(path)
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defer C.free(unsafe.Pointer(cPath))
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cName := C.CString(name)
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defer C.free(unsafe.Pointer(cName))
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ret := C.ceph_lremovexattr(
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mount.mount,
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cPath,
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cName)
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return getError(ret)
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}
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