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-rw-r--r--fs/udf/balloc.c84
-rw-r--r--fs/udf/file.c6
-rw-r--r--fs/udf/ialloc.c1
-rw-r--r--fs/udf/inode.c20
-rw-r--r--fs/udf/namei.c13
-rw-r--r--fs/udf/super.c11
-rw-r--r--fs/udf/udf_i.h1
7 files changed, 69 insertions, 67 deletions
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index 987585bb0a1d..1ba2baaf4367 100644
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -105,7 +105,6 @@ static void udf_add_free_space(struct super_block *sb, u16 partition, u32 cnt)
}
static void udf_bitmap_free_blocks(struct super_block *sb,
- struct inode *inode,
struct udf_bitmap *bitmap,
struct kernel_lb_addr *bloc,
uint32_t offset,
@@ -172,7 +171,6 @@ error_return:
}
static int udf_bitmap_prealloc_blocks(struct super_block *sb,
- struct inode *inode,
struct udf_bitmap *bitmap,
uint16_t partition, uint32_t first_block,
uint32_t block_count)
@@ -223,7 +221,6 @@ out:
}
static int udf_bitmap_new_block(struct super_block *sb,
- struct inode *inode,
struct udf_bitmap *bitmap, uint16_t partition,
uint32_t goal, int *err)
{
@@ -349,7 +346,6 @@ error_return:
}
static void udf_table_free_blocks(struct super_block *sb,
- struct inode *inode,
struct inode *table,
struct kernel_lb_addr *bloc,
uint32_t offset,
@@ -581,7 +577,6 @@ error_return:
}
static int udf_table_prealloc_blocks(struct super_block *sb,
- struct inode *inode,
struct inode *table, uint16_t partition,
uint32_t first_block, uint32_t block_count)
{
@@ -643,7 +638,6 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
}
static int udf_table_new_block(struct super_block *sb,
- struct inode *inode,
struct inode *table, uint16_t partition,
uint32_t goal, int *err)
{
@@ -743,18 +737,23 @@ void udf_free_blocks(struct super_block *sb, struct inode *inode,
struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) {
- udf_bitmap_free_blocks(sb, inode, map->s_uspace.s_bitmap,
+ udf_bitmap_free_blocks(sb, map->s_uspace.s_bitmap,
bloc, offset, count);
} else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) {
- udf_table_free_blocks(sb, inode, map->s_uspace.s_table,
+ udf_table_free_blocks(sb, map->s_uspace.s_table,
bloc, offset, count);
} else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) {
- udf_bitmap_free_blocks(sb, inode, map->s_fspace.s_bitmap,
+ udf_bitmap_free_blocks(sb, map->s_fspace.s_bitmap,
bloc, offset, count);
} else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) {
- udf_table_free_blocks(sb, inode, map->s_fspace.s_table,
+ udf_table_free_blocks(sb, map->s_fspace.s_table,
bloc, offset, count);
}
+
+ if (inode) {
+ inode_sub_bytes(inode,
+ ((sector_t)count) << sb->s_blocksize_bits);
+ }
}
inline int udf_prealloc_blocks(struct super_block *sb,
@@ -763,29 +762,34 @@ inline int udf_prealloc_blocks(struct super_block *sb,
uint32_t block_count)
{
struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
+ sector_t allocated;
if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
- return udf_bitmap_prealloc_blocks(sb, inode,
- map->s_uspace.s_bitmap,
- partition, first_block,
- block_count);
+ allocated = udf_bitmap_prealloc_blocks(sb,
+ map->s_uspace.s_bitmap,
+ partition, first_block,
+ block_count);
else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE)
- return udf_table_prealloc_blocks(sb, inode,
- map->s_uspace.s_table,
- partition, first_block,
- block_count);
+ allocated = udf_table_prealloc_blocks(sb,
+ map->s_uspace.s_table,
+ partition, first_block,
+ block_count);
else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
- return udf_bitmap_prealloc_blocks(sb, inode,
- map->s_fspace.s_bitmap,
- partition, first_block,
- block_count);
+ allocated = udf_bitmap_prealloc_blocks(sb,
+ map->s_fspace.s_bitmap,
+ partition, first_block,
+ block_count);
else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE)
- return udf_table_prealloc_blocks(sb, inode,
- map->s_fspace.s_table,
- partition, first_block,
- block_count);
+ allocated = udf_table_prealloc_blocks(sb,
+ map->s_fspace.s_table,
+ partition, first_block,
+ block_count);
else
return 0;
+
+ if (inode && allocated > 0)
+ inode_add_bytes(inode, allocated << sb->s_blocksize_bits);
+ return allocated;
}
inline int udf_new_block(struct super_block *sb,
@@ -793,25 +797,29 @@ inline int udf_new_block(struct super_block *sb,
uint16_t partition, uint32_t goal, int *err)
{
struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
+ int block;
if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
- return udf_bitmap_new_block(sb, inode,
- map->s_uspace.s_bitmap,
- partition, goal, err);
+ block = udf_bitmap_new_block(sb,
+ map->s_uspace.s_bitmap,
+ partition, goal, err);
else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE)
- return udf_table_new_block(sb, inode,
- map->s_uspace.s_table,
- partition, goal, err);
- else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
- return udf_bitmap_new_block(sb, inode,
- map->s_fspace.s_bitmap,
+ block = udf_table_new_block(sb,
+ map->s_uspace.s_table,
partition, goal, err);
+ else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
+ block = udf_bitmap_new_block(sb,
+ map->s_fspace.s_bitmap,
+ partition, goal, err);
else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE)
- return udf_table_new_block(sb, inode,
- map->s_fspace.s_table,
- partition, goal, err);
+ block = udf_table_new_block(sb,
+ map->s_fspace.s_table,
+ partition, goal, err);
else {
*err = -EIO;
return 0;
}
+ if (inode && block)
+ inode_add_bytes(inode, sb->s_blocksize);
+ return block;
}
diff --git a/fs/udf/file.c b/fs/udf/file.c
index dca0c3881e82..7f3f7ba3df6e 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -87,10 +87,10 @@ static int udf_adinicb_write_end(struct file *file,
char *kaddr;
struct udf_inode_info *iinfo = UDF_I(inode);
- kaddr = kmap_atomic(page, KM_USER0);
+ kaddr = kmap_atomic(page);
memcpy(iinfo->i_ext.i_data + iinfo->i_lenEAttr + offset,
kaddr + offset, copied);
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
return simple_write_end(file, mapping, pos, len, copied, page, fsdata);
}
@@ -201,12 +201,10 @@ out:
static int udf_release_file(struct inode *inode, struct file *filp)
{
if (filp->f_mode & FMODE_WRITE) {
- mutex_lock(&inode->i_mutex);
down_write(&UDF_I(inode)->i_data_sem);
udf_discard_prealloc(inode);
udf_truncate_tail_extent(inode);
up_write(&UDF_I(inode)->i_data_sem);
- mutex_unlock(&inode->i_mutex);
}
return 0;
}
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index 05ab48195be9..7e5aae4bf46f 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -116,6 +116,7 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode, int *err)
iinfo->i_lenEAttr = 0;
iinfo->i_lenAlloc = 0;
iinfo->i_use = 0;
+ iinfo->i_checkpoint = 1;
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_AD_IN_ICB))
iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB;
else if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 7699df7b3198..7d7528008359 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -1358,6 +1358,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
iinfo->i_unique = le64_to_cpu(fe->uniqueID);
iinfo->i_lenEAttr = le32_to_cpu(fe->lengthExtendedAttr);
iinfo->i_lenAlloc = le32_to_cpu(fe->lengthAllocDescs);
+ iinfo->i_checkpoint = le32_to_cpu(fe->checkpoint);
offset = sizeof(struct fileEntry) + iinfo->i_lenEAttr;
} else {
inode->i_blocks = le64_to_cpu(efe->logicalBlocksRecorded) <<
@@ -1379,6 +1380,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
iinfo->i_unique = le64_to_cpu(efe->uniqueID);
iinfo->i_lenEAttr = le32_to_cpu(efe->lengthExtendedAttr);
iinfo->i_lenAlloc = le32_to_cpu(efe->lengthAllocDescs);
+ iinfo->i_checkpoint = le32_to_cpu(efe->checkpoint);
offset = sizeof(struct extendedFileEntry) +
iinfo->i_lenEAttr;
}
@@ -1495,6 +1497,7 @@ static int udf_update_inode(struct inode *inode, int do_sync)
struct buffer_head *bh = NULL;
struct fileEntry *fe;
struct extendedFileEntry *efe;
+ uint64_t lb_recorded;
uint32_t udfperms;
uint16_t icbflags;
uint16_t crclen;
@@ -1589,13 +1592,18 @@ static int udf_update_inode(struct inode *inode, int do_sync)
dsea->minorDeviceIdent = cpu_to_le32(iminor(inode));
}
+ if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)
+ lb_recorded = 0; /* No extents => no blocks! */
+ else
+ lb_recorded =
+ (inode->i_blocks + (1 << (blocksize_bits - 9)) - 1) >>
+ (blocksize_bits - 9);
+
if (iinfo->i_efe == 0) {
memcpy(bh->b_data + sizeof(struct fileEntry),
iinfo->i_ext.i_data,
inode->i_sb->s_blocksize - sizeof(struct fileEntry));
- fe->logicalBlocksRecorded = cpu_to_le64(
- (inode->i_blocks + (1 << (blocksize_bits - 9)) - 1) >>
- (blocksize_bits - 9));
+ fe->logicalBlocksRecorded = cpu_to_le64(lb_recorded);
udf_time_to_disk_stamp(&fe->accessTime, inode->i_atime);
udf_time_to_disk_stamp(&fe->modificationTime, inode->i_mtime);
@@ -1607,6 +1615,7 @@ static int udf_update_inode(struct inode *inode, int do_sync)
fe->uniqueID = cpu_to_le64(iinfo->i_unique);
fe->lengthExtendedAttr = cpu_to_le32(iinfo->i_lenEAttr);
fe->lengthAllocDescs = cpu_to_le32(iinfo->i_lenAlloc);
+ fe->checkpoint = cpu_to_le32(iinfo->i_checkpoint);
fe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_FE);
crclen = sizeof(struct fileEntry);
} else {
@@ -1615,9 +1624,7 @@ static int udf_update_inode(struct inode *inode, int do_sync)
inode->i_sb->s_blocksize -
sizeof(struct extendedFileEntry));
efe->objectSize = cpu_to_le64(inode->i_size);
- efe->logicalBlocksRecorded = cpu_to_le64(
- (inode->i_blocks + (1 << (blocksize_bits - 9)) - 1) >>
- (blocksize_bits - 9));
+ efe->logicalBlocksRecorded = cpu_to_le64(lb_recorded);
if (iinfo->i_crtime.tv_sec > inode->i_atime.tv_sec ||
(iinfo->i_crtime.tv_sec == inode->i_atime.tv_sec &&
@@ -1646,6 +1653,7 @@ static int udf_update_inode(struct inode *inode, int do_sync)
efe->uniqueID = cpu_to_le64(iinfo->i_unique);
efe->lengthExtendedAttr = cpu_to_le32(iinfo->i_lenEAttr);
efe->lengthAllocDescs = cpu_to_le32(iinfo->i_lenAlloc);
+ efe->checkpoint = cpu_to_le32(iinfo->i_checkpoint);
efe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EFE);
crclen = sizeof(struct extendedFileEntry);
}
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 08bf46edf9c4..38de8f234b94 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -32,8 +32,6 @@
#include <linux/crc-itu-t.h>
#include <linux/exportfs.h>
-enum { UDF_MAX_LINKS = 0xffff };
-
static inline int udf_match(int len1, const unsigned char *name1, int len2,
const unsigned char *name2)
{
@@ -649,10 +647,6 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
struct udf_inode_info *dinfo = UDF_I(dir);
struct udf_inode_info *iinfo;
- err = -EMLINK;
- if (dir->i_nlink >= UDF_MAX_LINKS)
- goto out;
-
err = -EIO;
inode = udf_new_inode(dir, S_IFDIR | mode, &err);
if (!inode)
@@ -1032,9 +1026,6 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
struct fileIdentDesc cfi, *fi;
int err;
- if (inode->i_nlink >= UDF_MAX_LINKS)
- return -EMLINK;
-
fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);
if (!fi) {
return err;
@@ -1126,10 +1117,6 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
if (udf_get_lb_pblock(old_inode->i_sb, &tloc, 0) !=
old_dir->i_ino)
goto end_rename;
-
- retval = -EMLINK;
- if (!new_inode && new_dir->i_nlink >= UDF_MAX_LINKS)
- goto end_rename;
}
if (!nfi) {
nfi = udf_add_entry(new_dir, new_dentry, &nfibh, &ncfi,
diff --git a/fs/udf/super.c b/fs/udf/super.c
index c09a84daaf50..ac8a348dcb69 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -75,6 +75,8 @@
#define UDF_DEFAULT_BLOCKSIZE 2048
+enum { UDF_MAX_LINKS = 0xffff };
+
/* These are the "meat" - everything else is stuffing */
static int udf_fill_super(struct super_block *, void *, int);
static void udf_put_super(struct super_block *);
@@ -948,11 +950,8 @@ static struct udf_bitmap *udf_sb_alloc_bitmap(struct super_block *sb, u32 index)
else
bitmap = vzalloc(size); /* TODO: get rid of vzalloc */
- if (bitmap == NULL) {
- udf_err(sb, "Unable to allocate space for bitmap and %d buffer_head pointers\n",
- nr_groups);
+ if (bitmap == NULL)
return NULL;
- }
bitmap->s_block_bitmap = (struct buffer_head **)(bitmap + 1);
bitmap->s_nr_groups = nr_groups;
@@ -2035,13 +2034,13 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
}
/* Allocate a dentry for the root inode */
- sb->s_root = d_alloc_root(inode);
+ sb->s_root = d_make_root(inode);
if (!sb->s_root) {
udf_err(sb, "Couldn't allocate root dentry\n");
- iput(inode);
goto error_out;
}
sb->s_maxbytes = MAX_LFS_FILESIZE;
+ sb->s_max_links = UDF_MAX_LINKS;
return 0;
error_out:
diff --git a/fs/udf/udf_i.h b/fs/udf/udf_i.h
index d1bd31ea724e..bb8309dcd5c1 100644
--- a/fs/udf/udf_i.h
+++ b/fs/udf/udf_i.h
@@ -23,6 +23,7 @@ struct udf_inode_info {
__u64 i_lenExtents;
__u32 i_next_alloc_block;
__u32 i_next_alloc_goal;
+ __u32 i_checkpoint;
unsigned i_alloc_type : 3;
unsigned i_efe : 1; /* extendedFileEntry */
unsigned i_use : 1; /* unallocSpaceEntry */