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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-06 14:42:20 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-06 14:42:20 -0800
commit768c242b30d9ec5581dd245e8289acb6b77815d1 (patch)
tree72a3563dd084e02e9a7b151e2cf9461dd3782913
parente503606c5b7687842beb8fca46b827606ae40c63 (diff)
parenta850790f6c903f1a89d0dbf953946d231df3fe6b (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] Minor cleanup [CIFS] Missing free in error path [CIFS] Reduce cifs stack space usage [CIFS] lseek polling returned stale EOF
-rw-r--r--fs/cifs/CHANGES2
-rw-r--r--fs/cifs/cifsfs.c10
-rw-r--r--fs/cifs/file.c12
-rw-r--r--fs/cifs/readdir.c6
-rw-r--r--fs/cifs/smbdes.c10
5 files changed, 32 insertions, 8 deletions
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index d04d2f7448d..85e3850bf2c 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -1,6 +1,8 @@
Version 1.47
------------
Fix oops in list_del during mount caused by unaligned string.
+Seek to SEEK_END forces check for update of file size for non-cached
+files.
Version 1.46
------------
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 10c90294cd1..93ef09971d2 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -511,7 +511,15 @@ static loff_t cifs_llseek(struct file *file, loff_t offset, int origin)
{
/* origin == SEEK_END => we must revalidate the cached file length */
if (origin == SEEK_END) {
- int retval = cifs_revalidate(file->f_path.dentry);
+ int retval;
+
+ /* some applications poll for the file length in this strange
+ way so we must seek to end on non-oplocked files by
+ setting the revalidate time to zero */
+ if(file->f_path.dentry->d_inode)
+ CIFS_I(file->f_path.dentry->d_inode)->time = 0;
+
+ retval = cifs_revalidate(file->f_path.dentry);
if (retval < 0)
return (loff_t)retval;
}
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 8a49b2e77d3..e9dcf5ee29a 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1146,7 +1146,7 @@ static int cifs_writepages(struct address_space *mapping,
pgoff_t end;
pgoff_t index;
int range_whole = 0;
- struct kvec iov[32];
+ struct kvec * iov;
int len;
int n_iov = 0;
pgoff_t next;
@@ -1171,15 +1171,21 @@ static int cifs_writepages(struct address_space *mapping,
if((cifs_sb->tcon->ses) && (cifs_sb->tcon->ses->server))
if(cifs_sb->tcon->ses->server->secMode &
(SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
- if(!experimEnabled)
+ if(!experimEnabled)
return generic_writepages(mapping, wbc);
+ iov = kmalloc(32 * sizeof(struct kvec), GFP_KERNEL);
+ if(iov == NULL)
+ return generic_writepages(mapping, wbc);
+
+
/*
* BB: Is this meaningful for a non-block-device file system?
* If it is, we should test it again after we do I/O
*/
if (wbc->nonblocking && bdi_write_congested(bdi)) {
wbc->encountered_congestion = 1;
+ kfree(iov);
return 0;
}
@@ -1345,7 +1351,7 @@ retry:
mapping->writeback_index = index;
FreeXid(xid);
-
+ kfree(iov);
return rc;
}
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 99dfb5337e3..782940be550 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -156,9 +156,9 @@ static void fill_in_inode(struct inode *tmp_inode, int new_buf_type,
tmp_inode->i_atime = cnvrtDosUnixTm(
le16_to_cpu(pfindData->LastAccessDate),
le16_to_cpu(pfindData->LastAccessTime));
- tmp_inode->i_ctime = cnvrtDosUnixTm(
- le16_to_cpu(pfindData->LastWriteDate),
- le16_to_cpu(pfindData->LastWriteTime));
+ tmp_inode->i_ctime = cnvrtDosUnixTm(
+ le16_to_cpu(pfindData->LastWriteDate),
+ le16_to_cpu(pfindData->LastWriteTime));
AdjustForTZ(cifs_sb->tcon, tmp_inode);
attr = le16_to_cpu(pfindData->Attributes);
allocation_size = le32_to_cpu(pfindData->AllocationSize);
diff --git a/fs/cifs/smbdes.c b/fs/cifs/smbdes.c
index 7a1b2b961ec..1b1daf63f06 100644
--- a/fs/cifs/smbdes.c
+++ b/fs/cifs/smbdes.c
@@ -196,7 +196,7 @@ dohash(char *out, char *in, char *key, int forw)
char c[28];
char d[28];
char *cd;
- char ki[16][48];
+ char (*ki)[48];
char *pd1;
char l[32], r[32];
char *rl;
@@ -206,6 +206,12 @@ dohash(char *out, char *in, char *key, int forw)
if(pk1 == NULL)
return;
+ ki = kmalloc(16*48, GFP_KERNEL);
+ if(ki == NULL) {
+ kfree(pk1);
+ return;
+ }
+
cd = pk1 + 56;
pd1= cd + 56;
rl = pd1 + 64;
@@ -243,6 +249,7 @@ dohash(char *out, char *in, char *key, int forw)
er = kmalloc(48+48+32+32+32, GFP_KERNEL);
if(er == NULL) {
kfree(pk1);
+ kfree(ki);
return;
}
erk = er+48;
@@ -290,6 +297,7 @@ dohash(char *out, char *in, char *key, int forw)
permute(out, rl, perm6, 64);
kfree(pk1);
+ kfree(ki);
}
static void