ssize_t write_file(files_struct *fsp, const char *data, SMB_OFF_T pos, size_t n)
{
write_cache *wcp = fsp->wcp;
ssize_t total_written = 0;
int write_path = -1;
if (fsp->print_file) {
#ifdef AVM_NO_PRINTING
errno = EBADF;
return -1;
#else
fstring sharename;
uint32 jobid;
if (!rap_to_pjobid(fsp->rap_print_jobid, sharename, &jobid)) {
DEBUG(3,("write_file: Unable to map RAP jobid %u to jobid.\n",
(unsigned int)fsp->rap_print_jobid ));
errno = EBADF;
return -1;
}
return print_job_write(SNUM(fsp->conn), jobid, data, pos, n);
#endif /* AVM_NO_PRINTING */
}
if (!fsp->can_write) {
errno = EPERM;
return(0);
}
if (!fsp->modified) {
SMB_STRUCT_STAT st;
fsp->modified = True;
if (SMB_VFS_FSTAT(fsp,fsp->fh->fd,&st) == 0) {
int dosmode = dos_mode(fsp->conn,fsp->fsp_name,&st);
if ((lp_store_dos_attributes(SNUM(fsp->conn)) || MAP_ARCHIVE(fsp->conn)) && !IS_DOS_ARCHIVE(dosmode)) {
file_set_dosmode(fsp->conn,fsp->fsp_name,dosmode | aARCH,&st, False);
}
/*
* If this is the first write and we have an exclusive oplock then setup
* the write cache.
*/
if (EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type) && !wcp) {
setup_write_cache(fsp, st.st_size);
wcp = fsp->wcp;
}
}
}
#ifdef WITH_PROFILE
DO_PROFILE_INC(writecache_total_writes);
if (!fsp->oplock_type) {
DO_PROFILE_INC(writecache_non_oplock_writes);
}
#endif
/*
* If this file is level II oplocked then we need
* to grab the shared memory lock and inform all
* other files with a level II lock that they need
* to flush their read caches. We keep the lock over
* the shared memory area whilst doing this.
*/
release_level_2_oplocks_on_change(fsp);
#ifdef WITH_PROFILE
if (profile_p && profile_p->writecache_total_writes % 500 == 0) {
DEBUG(3,("WRITECACHE: initwrites=%u abutted=%u total=%u \
nonop=%u allocated=%u active=%u direct=%u perfect=%u readhits=%u\n",
profile_p->writecache_init_writes,
profile_p->writecache_abutted_writes,
profile_p->writecache_total_writes,
profile_p->writecache_non_oplock_writes,
profile_p->writecache_allocated_write_caches,
profile_p->writecache_num_write_caches,
profile_p->writecache_direct_writes,
profile_p->writecache_num_perfect_writes,
profile_p->writecache_read_hits ));
DEBUG(3,("WRITECACHE: Flushes SEEK=%d, READ=%d, WRITE=%d, READRAW=%d, OPLOCK=%d, CLOSE=%d, SYNC=%d\n",
profile_p->writecache_flushed_writes[SEEK_FLUSH],
profile_p->writecache_flushed_writes[READ_FLUSH],
profile_p->writecache_flushed_writes[WRITE_FLUSH],
profile_p->writecache_flushed_writes[READRAW_FLUSH],
profile_p->writecache_flushed_writes[OPLOCK_RELEASE_FLUSH],
profile_p->writecache_flushed_writes[CLOSE_FLUSH],
profile_p->writecache_flushed_writes[SYNC_FLUSH] ));
}
ssize_t write_file(struct smb_request *req,
files_struct *fsp,
const char *data,
SMB_OFF_T pos,
size_t n)
{
write_cache *wcp = fsp->wcp;
ssize_t total_written = 0;
int write_path = -1;
if (fsp->print_file) {
uint32_t t;
int ret;
ret = print_spool_write(fsp, data, n, pos, &t);
if (ret) {
errno = ret;
return -1;
}
return t;
}
if (!fsp->can_write) {
errno = EPERM;
return -1;
}
if (!fsp->modified) {
fsp->modified = True;
if (SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st) == 0) {
trigger_write_time_update(fsp);
if (!fsp->posix_open &&
(lp_store_dos_attributes(SNUM(fsp->conn)) ||
MAP_ARCHIVE(fsp->conn))) {
int dosmode = dos_mode(fsp->conn, fsp->fsp_name);
if (!IS_DOS_ARCHIVE(dosmode)) {
file_set_dosmode(fsp->conn, fsp->fsp_name,
dosmode | FILE_ATTRIBUTE_ARCHIVE, NULL, false);
}
}
/*
* If this is the first write and we have an exclusive oplock then setup
* the write cache.
*/
if (EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type) && !wcp) {
setup_write_cache(fsp,
fsp->fsp_name->st.st_ex_size);
wcp = fsp->wcp;
}
}
}
#ifdef WITH_PROFILE
DO_PROFILE_INC(writecache_total_writes);
if (!fsp->oplock_type) {
DO_PROFILE_INC(writecache_non_oplock_writes);
}
#endif
/*
* If this file is level II oplocked then we need
* to grab the shared memory lock and inform all
* other files with a level II lock that they need
* to flush their read caches. We keep the lock over
* the shared memory area whilst doing this.
*/
/* This should actually be improved to span the write. */
contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_WRITE);
contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_WRITE);
#ifdef WITH_PROFILE
if (profile_p && profile_p->writecache_total_writes % 500 == 0) {
DEBUG(3,("WRITECACHE: initwrites=%u abutted=%u total=%u \
nonop=%u allocated=%u active=%u direct=%u perfect=%u readhits=%u\n",
profile_p->writecache_init_writes,
profile_p->writecache_abutted_writes,
profile_p->writecache_total_writes,
profile_p->writecache_non_oplock_writes,
profile_p->writecache_allocated_write_caches,
profile_p->writecache_num_write_caches,
profile_p->writecache_direct_writes,
profile_p->writecache_num_perfect_writes,
profile_p->writecache_read_hits ));
DEBUG(3,("WRITECACHE: Flushes SEEK=%d, READ=%d, WRITE=%d, READRAW=%d, OPLOCK=%d, CLOSE=%d, SYNC=%d\n",
profile_p->writecache_flushed_writes[SEEK_FLUSH],
profile_p->writecache_flushed_writes[READ_FLUSH],
profile_p->writecache_flushed_writes[WRITE_FLUSH],
profile_p->writecache_flushed_writes[READRAW_FLUSH],
profile_p->writecache_flushed_writes[OPLOCK_RELEASE_FLUSH],
profile_p->writecache_flushed_writes[CLOSE_FLUSH],
profile_p->writecache_flushed_writes[SYNC_FLUSH] ));
}
ssize_t write_file(struct smb_request *req,
files_struct *fsp,
const char *data,
off_t pos,
size_t n)
{
struct write_cache *wcp = fsp->wcp;
ssize_t total_written = 0;
int write_path = -1;
if (fsp->print_file) {
uint32_t t;
int ret;
ret = print_spool_write(fsp, data, n, pos, &t);
if (ret) {
errno = ret;
return -1;
}
return t;
}
if (!fsp->can_write) {
errno = EPERM;
return -1;
}
/*
* If this is the first write and we have an exclusive oplock
* then setup the write cache.
*/
if (!fsp->modified &&
EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type) &&
(wcp == NULL)) {
setup_write_cache(fsp, fsp->fsp_name->st.st_ex_size);
wcp = fsp->wcp;
}
mark_file_modified(fsp);
#ifdef WITH_PROFILE
DO_PROFILE_INC(writecache_total_writes);
if (!fsp->oplock_type) {
DO_PROFILE_INC(writecache_non_oplock_writes);
}
#endif
/*
* If this file is level II oplocked then we need
* to grab the shared memory lock and inform all
* other files with a level II lock that they need
* to flush their read caches. We keep the lock over
* the shared memory area whilst doing this.
*/
/* This should actually be improved to span the write. */
contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_WRITE);
contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_WRITE);
#ifdef WITH_PROFILE
if (profile_p && profile_p->writecache_total_writes % 500 == 0) {
DEBUG(3,("WRITECACHE: initwrites=%u abutted=%u total=%u \
nonop=%u allocated=%u active=%u direct=%u perfect=%u readhits=%u\n",
profile_p->writecache_init_writes,
profile_p->writecache_abutted_writes,
profile_p->writecache_total_writes,
profile_p->writecache_non_oplock_writes,
profile_p->writecache_allocated_write_caches,
profile_p->writecache_num_write_caches,
profile_p->writecache_direct_writes,
profile_p->writecache_num_perfect_writes,
profile_p->writecache_read_hits ));
DEBUG(3,("WRITECACHE: Flushes SEEK=%d, READ=%d, WRITE=%d, READRAW=%d, OPLOCK=%d, CLOSE=%d, SYNC=%d\n",
profile_p->writecache_flushed_writes[SEEK_FLUSH],
profile_p->writecache_flushed_writes[READ_FLUSH],
profile_p->writecache_flushed_writes[WRITE_FLUSH],
profile_p->writecache_flushed_writes[READRAW_FLUSH],
profile_p->writecache_flushed_writes[OPLOCK_RELEASE_FLUSH],
profile_p->writecache_flushed_writes[CLOSE_FLUSH],
profile_p->writecache_flushed_writes[SYNC_FLUSH] ));
}