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authorGreg Kroah-Hartman <gregkh@suse.de>2006-08-06 15:44:39 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2006-08-06 15:44:39 -0700
commitdbd43d08642c037beb937c2670976c076120507b (patch)
tree4d44a4b54a731eb290e040345c38ed9e1e7ecc6a /fs
parentc34c07d6946ec8969fa71ba03dbb95091f4eb9d3 (diff)
parent9f737633e6ee54fc174282d49b2559bd2208391d (diff)
downloadop-kernel-dev-dbd43d08642c037beb937c2670976c076120507b.zip
op-kernel-dev-dbd43d08642c037beb937c2670976c076120507b.tar.gz
Merge branch 'master' of /home/greg/linux/git/torvalds-2.6/
Diffstat (limited to 'fs')
-rw-r--r--fs/befs/linuxvfs.c11
-rw-r--r--fs/reiserfs/file.c2
-rw-r--r--fs/reiserfs/inode.c26
-rw-r--r--fs/reiserfs/ioctl.c2
-rw-r--r--fs/udf/ialloc.c11
-rw-r--r--fs/ufs/balloc.c2
-rw-r--r--fs/ufs/util.c17
7 files changed, 41 insertions, 30 deletions
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index fcaeead..50cfca5 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -512,7 +512,11 @@ befs_utf2nls(struct super_block *sb, const char *in,
wchar_t uni;
int unilen, utflen;
char *result;
- int maxlen = in_len; /* The utf8->nls conversion can't make more chars */
+ /* The utf8->nls conversion won't make the final nls string bigger
+ * than the utf one, but if the string is pure ascii they'll have the
+ * same width and an extra char is needed to save the additional \0
+ */
+ int maxlen = in_len + 1;
befs_debug(sb, "---> utf2nls()");
@@ -588,7 +592,10 @@ befs_nls2utf(struct super_block *sb, const char *in,
wchar_t uni;
int unilen, utflen;
char *result;
- int maxlen = 3 * in_len;
+ /* There're nls characters that will translate to 3-chars-wide UTF-8
+ * characters, a additional byte is needed to save the final \0
+ * in special cases */
+ int maxlen = (3 * in_len) + 1;
befs_debug(sb, "---> nls2utf()\n");
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index f318b58..1627edd 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -48,8 +48,8 @@ static int reiserfs_file_release(struct inode *inode, struct file *filp)
return 0;
}
- reiserfs_write_lock(inode->i_sb);
mutex_lock(&inode->i_mutex);
+ reiserfs_write_lock(inode->i_sb);
/* freeing preallocation only involves relogging blocks that
* are already in the current transaction. preallocation gets
* freed at the end of each transaction, so it is impossible for
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 12dfdcf..52f1e21 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -39,14 +39,10 @@ void reiserfs_delete_inode(struct inode *inode)
/* The = 0 happens when we abort creating a new inode for some reason like lack of space.. */
if (!(inode->i_state & I_NEW) && INODE_PKEY(inode)->k_objectid != 0) { /* also handles bad_inode case */
- mutex_lock(&inode->i_mutex);
-
reiserfs_delete_xattrs(inode);
- if (journal_begin(&th, inode->i_sb, jbegin_count)) {
- mutex_unlock(&inode->i_mutex);
+ if (journal_begin(&th, inode->i_sb, jbegin_count))
goto out;
- }
reiserfs_update_inode_transaction(inode);
err = reiserfs_delete_object(&th, inode);
@@ -57,12 +53,8 @@ void reiserfs_delete_inode(struct inode *inode)
if (!err)
DQUOT_FREE_INODE(inode);
- if (journal_end(&th, inode->i_sb, jbegin_count)) {
- mutex_unlock(&inode->i_mutex);
+ if (journal_end(&th, inode->i_sb, jbegin_count))
goto out;
- }
-
- mutex_unlock(&inode->i_mutex);
/* check return value from reiserfs_delete_object after
* ending the transaction
@@ -2348,6 +2340,7 @@ static int reiserfs_write_full_page(struct page *page,
unsigned long end_index = inode->i_size >> PAGE_CACHE_SHIFT;
int error = 0;
unsigned long block;
+ sector_t last_block;
struct buffer_head *head, *bh;
int partial = 0;
int nr = 0;
@@ -2395,10 +2388,19 @@ static int reiserfs_write_full_page(struct page *page,
}
bh = head;
block = page->index << (PAGE_CACHE_SHIFT - s->s_blocksize_bits);
+ last_block = (i_size_read(inode) - 1) >> inode->i_blkbits;
/* first map all the buffers, logging any direct items we find */
do {
- if ((checked || buffer_dirty(bh)) && (!buffer_mapped(bh) ||
- (buffer_mapped(bh)
+ if (block > last_block) {
+ /*
+ * This can happen when the block size is less than
+ * the page size. The corresponding bytes in the page
+ * were zero filled above
+ */
+ clear_buffer_dirty(bh);
+ set_buffer_uptodate(bh);
+ } else if ((checked || buffer_dirty(bh)) &&
+ (!buffer_mapped(bh) || (buffer_mapped(bh)
&& bh->b_blocknr ==
0))) {
/* not mapped yet, or it points to a direct item, search
diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
index 745c881..a986b5e 100644
--- a/fs/reiserfs/ioctl.c
+++ b/fs/reiserfs/ioctl.c
@@ -116,12 +116,12 @@ static int reiserfs_unpack(struct inode *inode, struct file *filp)
if (REISERFS_I(inode)->i_flags & i_nopack_mask) {
return 0;
}
- reiserfs_write_lock(inode->i_sb);
/* we need to make sure nobody is changing the file size beneath
** us
*/
mutex_lock(&inode->i_mutex);
+ reiserfs_write_lock(inode->i_sb);
write_from = inode->i_size & (blocksize - 1);
/* if we are on a block boundary, we are already unpacked. */
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index 3873c67..3332347 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -75,6 +75,12 @@ struct inode * udf_new_inode (struct inode *dir, int mode, int * err)
}
*err = -ENOSPC;
+ UDF_I_UNIQUE(inode) = 0;
+ UDF_I_LENEXTENTS(inode) = 0;
+ UDF_I_NEXT_ALLOC_BLOCK(inode) = 0;
+ UDF_I_NEXT_ALLOC_GOAL(inode) = 0;
+ UDF_I_STRAT4096(inode) = 0;
+
block = udf_new_block(dir->i_sb, NULL, UDF_I_LOCATION(dir).partitionReferenceNum,
start, err);
if (*err)
@@ -84,11 +90,6 @@ struct inode * udf_new_inode (struct inode *dir, int mode, int * err)
}
mutex_lock(&sbi->s_alloc_mutex);
- UDF_I_UNIQUE(inode) = 0;
- UDF_I_LENEXTENTS(inode) = 0;
- UDF_I_NEXT_ALLOC_BLOCK(inode) = 0;
- UDF_I_NEXT_ALLOC_GOAL(inode) = 0;
- UDF_I_STRAT4096(inode) = 0;
if (UDF_SB_LVIDBH(sb))
{
struct logicalVolHeaderDesc *lvhd;
diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c
index b01804b..b823814 100644
--- a/fs/ufs/balloc.c
+++ b/fs/ufs/balloc.c
@@ -248,7 +248,7 @@ static void ufs_change_blocknr(struct inode *inode, unsigned int baseblk,
if (likely(cur_index != index)) {
page = ufs_get_locked_page(mapping, index);
- if (IS_ERR(page))
+ if (!page || IS_ERR(page)) /* it was truncated or EIO */
continue;
} else
page = locked_page;
diff --git a/fs/ufs/util.c b/fs/ufs/util.c
index 337cf2c..22f820a 100644
--- a/fs/ufs/util.c
+++ b/fs/ufs/util.c
@@ -251,12 +251,12 @@ struct page *ufs_get_locked_page(struct address_space *mapping,
{
struct page *page;
-try_again:
page = find_lock_page(mapping, index);
if (!page) {
page = read_cache_page(mapping, index,
(filler_t*)mapping->a_ops->readpage,
NULL);
+
if (IS_ERR(page)) {
printk(KERN_ERR "ufs_change_blocknr: "
"read_cache_page error: ino %lu, index: %lu\n",
@@ -266,6 +266,14 @@ try_again:
lock_page(page);
+ if (unlikely(page->mapping == NULL)) {
+ /* Truncate got there first */
+ unlock_page(page);
+ page_cache_release(page);
+ page = NULL;
+ goto out;
+ }
+
if (!PageUptodate(page) || PageError(page)) {
unlock_page(page);
page_cache_release(page);
@@ -275,15 +283,8 @@ try_again:
mapping->host->i_ino, index);
page = ERR_PTR(-EIO);
- goto out;
}
}
-
- if (unlikely(!page->mapping || !page_has_buffers(page))) {
- unlock_page(page);
- page_cache_release(page);
- goto try_again;/*we really need these buffers*/
- }
out:
return page;
}
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