[SCM] Samba Shared Repository - branch v3-2-test updated -
release-3-2-0pre2-3336-g3954c69
Jeremy Allison
jra at samba.org
Wed Jan 7 19:08:26 GMT 2009
The branch, v3-2-test has been updated
via 3954c6965240836a467d16f447197681b7396a31 (commit)
from 9995378cf3f28af183030c3867513552d85bf935 (commit)
http://gitweb.samba.org/?p=samba.git;a=shortlog;h=v3-2-test
- Log -----------------------------------------------------------------
commit 3954c6965240836a467d16f447197681b7396a31
Author: boyang <boyang at suse.de>
Date: Wed Jan 7 11:07:42 2009 -0800
refresh sequence number as soon as possible when domain->sequence_number == -1 or domain->last_status is not ok.
-----------------------------------------------------------------------
Summary of changes:
source/include/local.h | 4 ++++
source/include/smb.h | 6 ++++++
source/modules/vfs_default.c | 6 +++++-
source/param/loadparm.c | 27 +++++++++++++++++++++------
source/smbd/fileio.c | 5 +++--
source/smbd/vfs.c | 13 +++++++++++--
source/winbindd/winbindd_cache.c | 11 ++++++++---
7 files changed, 58 insertions(+), 14 deletions(-)
Changeset truncated at 500 lines:
diff --git a/source/include/local.h b/source/include/local.h
index c125ded..b0fd7cb 100644
--- a/source/include/local.h
+++ b/source/include/local.h
@@ -253,4 +253,8 @@
/* Windows minimum lock resolution timeout in ms */
#define WINDOWS_MINIMUM_LOCK_TIMEOUT_MS 200
+/* When strict allocate = partial, define the limit on how far
+ * ahead we will write. */
+#define STRICT_ALLOCATE_PARTIAL_LIMIT 0x200000
+
#endif
diff --git a/source/include/smb.h b/source/include/smb.h
index e248164..2aa708a 100644
--- a/source/include/smb.h
+++ b/source/include/smb.h
@@ -1966,4 +1966,10 @@ struct smb_extended_info {
char samba_version_string[SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH];
};
+enum smb_strict_allocate_options {
+ STRICT_ALLOCATE_OFF=0,
+ STRICT_ALLOCATE_ON=1,
+ STRICT_ALLOCATE_PARTIAL=2
+};
+
#endif /* _SMB_H */
diff --git a/source/modules/vfs_default.c b/source/modules/vfs_default.c
index 2da97f1..ff8e19a 100644
--- a/source/modules/vfs_default.c
+++ b/source/modules/vfs_default.c
@@ -759,10 +759,14 @@ static int vfswrap_ftruncate(vfs_handle_struct *handle, files_struct *fsp, SMB_O
SMB_STRUCT_STAT st;
char c = 0;
SMB_OFF_T currpos;
+ enum smb_strict_allocate_options sa_options = lp_strict_allocate(SNUM(fsp->conn));
START_PROFILE(syscall_ftruncate);
- if (lp_strict_allocate(SNUM(fsp->conn))) {
+ /* Only use allocation truncate if strict allocate
+ * is set "on", not off or partial.
+ */
+ if (sa_options == STRICT_ALLOCATE_ON) {
result = strict_allocate_ftruncate(handle, fsp, len);
END_PROFILE(syscall_ftruncate);
return result;
diff --git a/source/param/loadparm.c b/source/param/loadparm.c
index aa41bf9..456bc74 100644
--- a/source/param/loadparm.c
+++ b/source/param/loadparm.c
@@ -445,7 +445,7 @@ struct service {
bool bWidelinks;
bool bSymlinks;
bool bSyncAlways;
- bool bStrictAllocate;
+ int iStrictAllocate;
bool bStrictSync;
char magic_char;
struct bitmap *copymap;
@@ -588,7 +588,7 @@ static struct service sDefault = {
True, /* bWidelinks */
True, /* bSymlinks */
False, /* bSyncAlways */
- False, /* bStrictAllocate */
+ STRICT_ALLOCATE_OFF, /* iStrictAllocate */
False, /* bStrictSync */
'~', /* magic char */
NULL, /* copymap */
@@ -861,6 +861,21 @@ static const struct enum_list enum_config_backend[] = {
{-1, NULL}
};
+static const struct enum_list enum_strict_allocate[] = {
+ {STRICT_ALLOCATE_OFF, "No"},
+ {STRICT_ALLOCATE_OFF, "False"},
+ {STRICT_ALLOCATE_OFF, "0"},
+ {STRICT_ALLOCATE_OFF, "Off"},
+ {STRICT_ALLOCATE_OFF, "disabled"},
+ {STRICT_ALLOCATE_ON, "Yes"},
+ {STRICT_ALLOCATE_ON, "True"},
+ {STRICT_ALLOCATE_ON, "1"},
+ {STRICT_ALLOCATE_ON, "On"},
+ {STRICT_ALLOCATE_ON, "enabled"},
+ {STRICT_ALLOCATE_PARTIAL, "partial"},
+ {-1, NULL}
+};
+
/* Note: We do not initialise the defaults union - it is not allowed in ANSI C
*
* The FLAG_HIDE is explicit. Paramters set this way do NOT appear in any edit
@@ -2394,11 +2409,11 @@ static struct parm_struct parm_table[] = {
},
{
.label = "strict allocate",
- .type = P_BOOL,
+ .type = P_ENUM,
.p_class = P_LOCAL,
- .ptr = &sDefault.bStrictAllocate,
+ .ptr = &sDefault.iStrictAllocate,
.special = NULL,
- .enum_list = NULL,
+ .enum_list = enum_strict_allocate,
.flags = FLAG_ADVANCED | FLAG_SHARE,
},
{
@@ -5274,7 +5289,7 @@ FN_LOCAL_PARM_BOOL(lp_manglednames, bMangledNames)
FN_LOCAL_BOOL(lp_widelinks, bWidelinks)
FN_LOCAL_BOOL(lp_symlinks, bSymlinks)
FN_LOCAL_BOOL(lp_syncalways, bSyncAlways)
-FN_LOCAL_BOOL(lp_strict_allocate, bStrictAllocate)
+FN_LOCAL_INTEGER(lp_strict_allocate, iStrictAllocate)
FN_LOCAL_BOOL(lp_strict_sync, bStrictSync)
FN_LOCAL_BOOL(lp_map_system, bMap_system)
FN_LOCAL_BOOL(lp_delete_readonly, bDeleteReadonly)
diff --git a/source/smbd/fileio.c b/source/smbd/fileio.c
index 60aeeef..e23f391 100644
--- a/source/smbd/fileio.c
+++ b/source/smbd/fileio.c
@@ -127,9 +127,10 @@ static ssize_t real_write_file(struct smb_request *req,
if (pos == -1) {
ret = vfs_write_data(req, fsp, data, n);
} else {
+ enum smb_strict_allocate_options sa_options = lp_strict_allocate(SNUM(fsp->conn));
fsp->fh->pos = pos;
- if (pos && lp_strict_allocate(SNUM(fsp->conn))) {
- if (vfs_fill_sparse(fsp, pos) == -1) {
+ if (pos && (sa_options != STRICT_ALLOCATE_OFF)) {
+ if (vfs_fill_sparse(fsp, pos, sa_options) == -1) {
return -1;
}
}
diff --git a/source/smbd/vfs.c b/source/smbd/vfs.c
index 6cf156c..e8c0ebb 100644
--- a/source/smbd/vfs.c
+++ b/source/smbd/vfs.c
@@ -545,8 +545,9 @@ int vfs_allocate_file_space(files_struct *fsp, SMB_BIG_UINT len)
/* Grow - we need to test if we have enough space. */
- if (!lp_strict_allocate(SNUM(fsp->conn)))
+ if (lp_strict_allocate(SNUM(fsp->conn)) == STRICT_ALLOCATE_OFF) {
return 0;
+ }
len -= st.st_size;
len /= 1024; /* Len is now number of 1k blocks needed. */
@@ -600,7 +601,7 @@ int vfs_set_filelen(files_struct *fsp, SMB_OFF_T len)
static char *sparse_buf;
#define SPARSE_BUF_WRITE_SIZE (32*1024)
-int vfs_fill_sparse(files_struct *fsp, SMB_OFF_T len)
+int vfs_fill_sparse(files_struct *fsp, SMB_OFF_T len, enum smb_strict_allocate_options sa_options)
{
int ret;
SMB_STRUCT_STAT st;
@@ -619,6 +620,14 @@ int vfs_fill_sparse(files_struct *fsp, SMB_OFF_T len)
return 0;
}
+ /* If strict allocate is set to "partial", ignore all allocate
+ * retquests over the STRICT_ALLOCATE_PARTIAL_LIMIT. */
+
+ if ((sa_options == STRICT_ALLOCATE_PARTIAL) &&
+ (len - st.st_size > STRICT_ALLOCATE_PARTIAL_LIMIT)) {
+ return 0;
+ }
+
DEBUG(10,("vfs_fill_sparse: write zeros in file %s from len %.0f to len %.0f (%.0f bytes)\n",
fsp->fsp_name, (double)st.st_size, (double)len, (double)(len - st.st_size)));
diff --git a/source/winbindd/winbindd_cache.c b/source/winbindd/winbindd_cache.c
index d3e47d0..be44da4 100644
--- a/source/winbindd/winbindd_cache.c
+++ b/source/winbindd/winbindd_cache.c
@@ -486,7 +486,9 @@ static void refresh_sequence_number(struct winbindd_domain *domain, bool force)
time_diff = t - domain->last_seq_check;
/* see if we have to refetch the domain sequence number */
- if (!force && (time_diff < cache_time)) {
+ if (!force && (time_diff < cache_time) &&
+ (domain->sequence_number != DOM_SEQUENCE_NONE) &&
+ NT_STATUS_IS_OK(domain->last_status)) {
DEBUG(10, ("refresh_sequence_number: %s time ok\n", domain->name));
goto done;
}
@@ -495,8 +497,11 @@ static void refresh_sequence_number(struct winbindd_domain *domain, bool force)
/* this will update the timestamp as well */
status = fetch_cache_seqnum( domain, t );
- if ( NT_STATUS_IS_OK(status) )
- goto done;
+ if (NT_STATUS_IS_OK(status) &&
+ (domain->sequence_number != DOM_SEQUENCE_NONE) &&
+ NT_STATUS_IS_OK(domain->last_status)) {
+ goto done;
+ }
/* important! make sure that we know if this is a native
mode domain or not. And that we can contact it. */
--
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