Server IP : 172.67.216.182 / Your IP : 172.71.81.178 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/src/linux-headers-5.15.0-142/include/linux/ceph/ |
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __FS_CEPH_PAGELIST_H #define __FS_CEPH_PAGELIST_H #include <asm/byteorder.h> #include <linux/refcount.h> #include <linux/list.h> #include <linux/types.h> struct ceph_pagelist { struct list_head head; void *mapped_tail; size_t length; size_t room; struct list_head free_list; size_t num_pages_free; refcount_t refcnt; }; struct ceph_pagelist_cursor { struct ceph_pagelist *pl; /* pagelist, for error checking */ struct list_head *page_lru; /* page in list */ size_t room; /* room remaining to reset to */ }; struct ceph_pagelist *ceph_pagelist_alloc(gfp_t gfp_flags); extern void ceph_pagelist_release(struct ceph_pagelist *pl); extern int ceph_pagelist_append(struct ceph_pagelist *pl, const void *d, size_t l); extern int ceph_pagelist_reserve(struct ceph_pagelist *pl, size_t space); extern int ceph_pagelist_free_reserve(struct ceph_pagelist *pl); extern void ceph_pagelist_set_cursor(struct ceph_pagelist *pl, struct ceph_pagelist_cursor *c); extern int ceph_pagelist_truncate(struct ceph_pagelist *pl, struct ceph_pagelist_cursor *c); static inline int ceph_pagelist_encode_64(struct ceph_pagelist *pl, u64 v) { __le64 ev = cpu_to_le64(v); return ceph_pagelist_append(pl, &ev, sizeof(ev)); } static inline int ceph_pagelist_encode_32(struct ceph_pagelist *pl, u32 v) { __le32 ev = cpu_to_le32(v); return ceph_pagelist_append(pl, &ev, sizeof(ev)); } static inline int ceph_pagelist_encode_16(struct ceph_pagelist *pl, u16 v) { __le16 ev = cpu_to_le16(v); return ceph_pagelist_append(pl, &ev, sizeof(ev)); } static inline int ceph_pagelist_encode_8(struct ceph_pagelist *pl, u8 v) { return ceph_pagelist_append(pl, &v, 1); } static inline int ceph_pagelist_encode_string(struct ceph_pagelist *pl, char *s, u32 len) { int ret = ceph_pagelist_encode_32(pl, len); if (ret) return ret; if (len) return ceph_pagelist_append(pl, s, len); return 0; } #endif