Revision 7851f1a70657245fab837615087ceaf4541df71f authored by Peter Maydell on 10 July 2018, 16:28:29 UTC, committed by Peter Maydell on 10 July 2018, 16:28:29 UTC
Block layer patches: - Copy offloading fixes for when the copy increases the image size - Temporary revert of the removal of deprecated -drive options - Fix request serialisation in the image fleecing scenario - Fix copy-on-read crash with unaligned image size - Fix another drain crash # gpg: Signature made Tue 10 Jul 2018 16:37:52 BST # gpg: using RSA key 7F09B272C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" # Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6 * remotes/kevin/tags/for-upstream: (24 commits) block: Use common write req handling in truncate block: Fix bdrv_co_truncate overlap check block: Use common req handling in copy offloading block: Use common req handling for discard block: Fix handling of image enlarging write block: Extract common write req handling block: Use uint64_t for BdrvTrackedRequest byte fields block: Use BdrvChild to discard block: Add copy offloading trace points block: Prefix file driver trace points with "file_" Revert "block: Remove deprecated -drive geometry options" Revert "block: Remove deprecated -drive option addr" Revert "block: Remove deprecated -drive option serial" Revert "block: Remove dead deprecation warning code" block/blklogwrites: Make sure the log sector size is not too small qapi/block-core.json: Add missing documentation for blklogwrites log-append option block/backup: fix fleecing scheme: use serialized writes block: add BDRV_REQ_SERIALISING flag block: split flags in copy_range block/io: fix copy_range ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
simple.h
/*
* Simple trace backend
*
* Copyright IBM, Corp. 2010
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
*/
#ifndef TRACE_SIMPLE_H
#define TRACE_SIMPLE_H
void st_print_trace_file_status(FILE *stream, fprintf_function stream_printf);
void st_set_trace_file_enabled(bool enable);
void st_set_trace_file(const char *file);
bool st_init(void);
void st_flush_trace_buffer(void);
typedef struct {
unsigned int tbuf_idx;
unsigned int rec_off;
} TraceBufferRecord;
/* Note for hackers: Make sure MAX_TRACE_LEN < sizeof(uint32_t) */
#define MAX_TRACE_STRLEN 512
/**
* Initialize a trace record and claim space for it in the buffer
*
* @arglen number of bytes required for arguments
*/
int trace_record_start(TraceBufferRecord *rec, uint32_t id, size_t arglen);
/**
* Append a 64-bit argument to a trace record
*/
void trace_record_write_u64(TraceBufferRecord *rec, uint64_t val);
/**
* Append a string argument to a trace record
*/
void trace_record_write_str(TraceBufferRecord *rec, const char *s, uint32_t slen);
/**
* Mark a trace record completed
*
* Don't append any more arguments to the trace record after calling this.
*/
void trace_record_finish(TraceBufferRecord *rec);
#endif /* TRACE_SIMPLE_H */
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