fs/nfs/nfstrace.h

Source file repositories/reference/linux-study-clean/fs/nfs/nfstrace.h

File Facts

System
Linux kernel
Corpus path
fs/nfs/nfstrace.h
Extension
.h
Size
50962 bytes
Lines
1987
Domain
Core OS
Bucket
VFS And Filesystem Core
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

#undef TRACE_SYSTEM
#define TRACE_SYSTEM nfs

#if !defined(_TRACE_NFS_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_NFS_H

#include <linux/tracepoint.h>
#include <linux/iversion.h>

#include <trace/misc/fs.h>
#include <trace/misc/nfs.h>
#include <trace/misc/sunrpc.h>

#define nfs_show_cache_validity(v) \
	__print_flags(v, "|", \
			{ NFS_INO_INVALID_DATA, "INVALID_DATA" }, \
			{ NFS_INO_INVALID_ATIME, "INVALID_ATIME" }, \
			{ NFS_INO_INVALID_ACCESS, "INVALID_ACCESS" }, \
			{ NFS_INO_INVALID_ACL, "INVALID_ACL" }, \
			{ NFS_INO_REVAL_FORCED, "REVAL_FORCED" }, \
			{ NFS_INO_INVALID_LABEL, "INVALID_LABEL" }, \
			{ NFS_INO_INVALID_CHANGE, "INVALID_CHANGE" }, \
			{ NFS_INO_INVALID_CTIME, "INVALID_CTIME" }, \
			{ NFS_INO_INVALID_MTIME, "INVALID_MTIME" }, \
			{ NFS_INO_INVALID_SIZE, "INVALID_SIZE" }, \
			{ NFS_INO_INVALID_OTHER, "INVALID_OTHER" }, \
			{ NFS_INO_DATA_INVAL_DEFER, "DATA_INVAL_DEFER" }, \
			{ NFS_INO_INVALID_BLOCKS, "INVALID_BLOCKS" }, \
			{ NFS_INO_INVALID_XATTR, "INVALID_XATTR" }, \
			{ NFS_INO_INVALID_NLINK, "INVALID_NLINK" }, \
			{ NFS_INO_INVALID_MODE, "INVALID_MODE" }, \
			{ NFS_INO_INVALID_BTIME, "INVALID_BTIME" })

#define nfs_show_nfsi_flags(v) \
	__print_flags(v, "|", \
			{ BIT(NFS_INO_STALE), "STALE" }, \
			{ BIT(NFS_INO_ACL_LRU_SET), "ACL_LRU_SET" }, \
			{ BIT(NFS_INO_INVALIDATING), "INVALIDATING" }, \
			{ BIT(NFS_INO_LAYOUTCOMMIT), "NEED_LAYOUTCOMMIT" }, \
			{ BIT(NFS_INO_LAYOUTCOMMITTING), "LAYOUTCOMMIT" }, \
			{ BIT(NFS_INO_LAYOUTSTATS), "LAYOUTSTATS" }, \
			{ BIT(NFS_INO_ODIRECT), "ODIRECT" })

#define nfs_show_wb_flags(v) \
	__print_flags(v, "|", \
			{ BIT(PG_BUSY), "BUSY" }, \
			{ BIT(PG_MAPPED), "MAPPED" }, \
			{ BIT(PG_FOLIO), "FOLIO" }, \
			{ BIT(PG_CLEAN), "CLEAN" }, \
			{ BIT(PG_COMMIT_TO_DS), "COMMIT_TO_DS" }, \
			{ BIT(PG_INODE_REF), "INODE_REF" }, \
			{ BIT(PG_HEADLOCK), "HEADLOCK" }, \
			{ BIT(PG_TEARDOWN), "TEARDOWN" }, \
			{ BIT(PG_UNLOCKPAGE), "UNLOCKPAGE" }, \
			{ BIT(PG_UPTODATE), "UPTODATE" }, \
			{ BIT(PG_WB_END), "WB_END" }, \
			{ BIT(PG_REMOVE), "REMOVE" }, \
			{ BIT(PG_CONTENDED1), "CONTENDED1" }, \
			{ BIT(PG_CONTENDED2), "CONTENDED2" })

DECLARE_EVENT_CLASS(nfs_inode_event,
		TP_PROTO(
			const struct inode *inode
		),

		TP_ARGS(inode),

		TP_STRUCT__entry(
			__field(dev_t, dev)
			__field(u32, fhandle)
			__field(u64, fileid)
			__field(u64, version)
			__field(unsigned long, cache_validity)
		),

		TP_fast_assign(
			const struct nfs_inode *nfsi = NFS_I(inode);
			__entry->dev = inode->i_sb->s_dev;
			__entry->fileid = nfsi->fileid;
			__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
			__entry->version = inode_peek_iversion_raw(inode);
			__entry->cache_validity = nfsi->cache_validity;
		),

		TP_printk(
			"fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu cache_validity=0x%lx (%s)",
			MAJOR(__entry->dev), MINOR(__entry->dev),
			(unsigned long long)__entry->fileid,
			__entry->fhandle,
			(unsigned long long)__entry->version,

Annotation

Implementation Notes