struct ufs_super_block_third *usb3)
{
switch (UFS_SB(sb)->s_flags & UFS_ST_MASK) {
+ case UFS_ST_SUNOS:
+ if (fs32_to_cpu(sb, usb3->fs_postblformat) == UFS_42POSTBLFMT)
+ return fs32_to_cpu(sb, usb1->fs_u0.fs_sun.fs_state);
+ /* Fall Through to UFS_ST_SUN */
case UFS_ST_SUN:
- return fs32_to_cpu(sb, usb3->fs_u2.fs_sun.fs_state);
+ return fs32_to_cpu(sb, usb3->fs_un2.fs_sun.fs_state);
case UFS_ST_SUNx86:
return fs32_to_cpu(sb, usb1->fs_u1.fs_sunx86.fs_state);
case UFS_ST_44BSD:
default:
- return fs32_to_cpu(sb, usb3->fs_u2.fs_44.fs_state);
+ return fs32_to_cpu(sb, usb3->fs_un2.fs_44.fs_state);
}
}
struct ufs_super_block_third *usb3, s32 value)
{
switch (UFS_SB(sb)->s_flags & UFS_ST_MASK) {
+ case UFS_ST_SUNOS:
+ if (fs32_to_cpu(sb, usb3->fs_postblformat) == UFS_42POSTBLFMT) {
+ usb1->fs_u0.fs_sun.fs_state = cpu_to_fs32(sb, value);
+ break;
+ }
+ /* Fall Through to UFS_ST_SUN */
case UFS_ST_SUN:
- usb3->fs_u2.fs_sun.fs_state = cpu_to_fs32(sb, value);
+ usb3->fs_un2.fs_sun.fs_state = cpu_to_fs32(sb, value);
break;
case UFS_ST_SUNx86:
usb1->fs_u1.fs_sunx86.fs_state = cpu_to_fs32(sb, value);
break;
case UFS_ST_44BSD:
- usb3->fs_u2.fs_44.fs_state = cpu_to_fs32(sb, value);
+ usb3->fs_un2.fs_44.fs_state = cpu_to_fs32(sb, value);
break;
}
}
struct ufs_super_block_third *usb3)
{
if ((UFS_SB(sb)->s_flags & UFS_ST_MASK) == UFS_ST_SUNx86)
- return fs32_to_cpu(sb, usb3->fs_u2.fs_sunx86.fs_npsect);
+ return fs32_to_cpu(sb, usb3->fs_un2.fs_sunx86.fs_npsect);
else
return fs32_to_cpu(sb, usb1->fs_u1.fs_sun.fs_npsect);
}
__fs64 tmp;
switch (UFS_SB(sb)->s_flags & UFS_ST_MASK) {
+ case UFS_ST_SUNOS:
case UFS_ST_SUN:
- ((__fs32 *)&tmp)[0] = usb3->fs_u2.fs_sun.fs_qbmask[0];
- ((__fs32 *)&tmp)[1] = usb3->fs_u2.fs_sun.fs_qbmask[1];
+ ((__fs32 *)&tmp)[0] = usb3->fs_un2.fs_sun.fs_qbmask[0];
+ ((__fs32 *)&tmp)[1] = usb3->fs_un2.fs_sun.fs_qbmask[1];
break;
case UFS_ST_SUNx86:
- ((__fs32 *)&tmp)[0] = usb3->fs_u2.fs_sunx86.fs_qbmask[0];
- ((__fs32 *)&tmp)[1] = usb3->fs_u2.fs_sunx86.fs_qbmask[1];
+ ((__fs32 *)&tmp)[0] = usb3->fs_un2.fs_sunx86.fs_qbmask[0];
+ ((__fs32 *)&tmp)[1] = usb3->fs_un2.fs_sunx86.fs_qbmask[1];
break;
case UFS_ST_44BSD:
- ((__fs32 *)&tmp)[0] = usb3->fs_u2.fs_44.fs_qbmask[0];
- ((__fs32 *)&tmp)[1] = usb3->fs_u2.fs_44.fs_qbmask[1];
+ ((__fs32 *)&tmp)[0] = usb3->fs_un2.fs_44.fs_qbmask[0];
+ ((__fs32 *)&tmp)[1] = usb3->fs_un2.fs_44.fs_qbmask[1];
break;
}
__fs64 tmp;
switch (UFS_SB(sb)->s_flags & UFS_ST_MASK) {
+ case UFS_ST_SUNOS:
case UFS_ST_SUN:
- ((__fs32 *)&tmp)[0] = usb3->fs_u2.fs_sun.fs_qfmask[0];
- ((__fs32 *)&tmp)[1] = usb3->fs_u2.fs_sun.fs_qfmask[1];
+ ((__fs32 *)&tmp)[0] = usb3->fs_un2.fs_sun.fs_qfmask[0];
+ ((__fs32 *)&tmp)[1] = usb3->fs_un2.fs_sun.fs_qfmask[1];
break;
case UFS_ST_SUNx86:
- ((__fs32 *)&tmp)[0] = usb3->fs_u2.fs_sunx86.fs_qfmask[0];
- ((__fs32 *)&tmp)[1] = usb3->fs_u2.fs_sunx86.fs_qfmask[1];
+ ((__fs32 *)&tmp)[0] = usb3->fs_un2.fs_sunx86.fs_qfmask[0];
+ ((__fs32 *)&tmp)[1] = usb3->fs_un2.fs_sunx86.fs_qfmask[1];
break;
case UFS_ST_44BSD:
- ((__fs32 *)&tmp)[0] = usb3->fs_u2.fs_44.fs_qfmask[0];
- ((__fs32 *)&tmp)[1] = usb3->fs_u2.fs_44.fs_qfmask[1];
+ ((__fs32 *)&tmp)[0] = usb3->fs_un2.fs_44.fs_qfmask[0];
+ ((__fs32 *)&tmp)[1] = usb3->fs_un2.fs_44.fs_qfmask[1];
break;
}
ufs_get_inode_uid(struct super_block *sb, struct ufs_inode *inode)
{
switch (UFS_SB(sb)->s_flags & UFS_UID_MASK) {
- case UFS_UID_EFT:
- return fs32_to_cpu(sb, inode->ui_u3.ui_sun.ui_uid);
case UFS_UID_44BSD:
return fs32_to_cpu(sb, inode->ui_u3.ui_44.ui_uid);
+ case UFS_UID_EFT:
+ if (inode->ui_u1.oldids.ui_suid == 0xFFFF)
+ return fs32_to_cpu(sb, inode->ui_u3.ui_sun.ui_uid);
+ /* Fall through */
default:
return fs16_to_cpu(sb, inode->ui_u1.oldids.ui_suid);
}
ufs_set_inode_uid(struct super_block *sb, struct ufs_inode *inode, u32 value)
{
switch (UFS_SB(sb)->s_flags & UFS_UID_MASK) {
- case UFS_UID_EFT:
- inode->ui_u3.ui_sun.ui_uid = cpu_to_fs32(sb, value);
- break;
case UFS_UID_44BSD:
inode->ui_u3.ui_44.ui_uid = cpu_to_fs32(sb, value);
+ inode->ui_u1.oldids.ui_suid = cpu_to_fs16(sb, value);
+ break;
+ case UFS_UID_EFT:
+ inode->ui_u3.ui_sun.ui_uid = cpu_to_fs32(sb, value);
+ if (value > 0xFFFF)
+ value = 0xFFFF;
+ /* Fall through */
+ default:
+ inode->ui_u1.oldids.ui_suid = cpu_to_fs16(sb, value);
break;
}
- inode->ui_u1.oldids.ui_suid = cpu_to_fs16(sb, value);
}
static inline u32
ufs_get_inode_gid(struct super_block *sb, struct ufs_inode *inode)
{
switch (UFS_SB(sb)->s_flags & UFS_UID_MASK) {
- case UFS_UID_EFT:
- return fs32_to_cpu(sb, inode->ui_u3.ui_sun.ui_gid);
case UFS_UID_44BSD:
return fs32_to_cpu(sb, inode->ui_u3.ui_44.ui_gid);
+ case UFS_UID_EFT:
+ if (inode->ui_u1.oldids.ui_suid == 0xFFFF)
+ return fs32_to_cpu(sb, inode->ui_u3.ui_sun.ui_gid);
+ /* Fall through */
default:
return fs16_to_cpu(sb, inode->ui_u1.oldids.ui_sgid);
}
ufs_set_inode_gid(struct super_block *sb, struct ufs_inode *inode, u32 value)
{
switch (UFS_SB(sb)->s_flags & UFS_UID_MASK) {
- case UFS_UID_EFT:
- inode->ui_u3.ui_sun.ui_gid = cpu_to_fs32(sb, value);
- break;
case UFS_UID_44BSD:
inode->ui_u3.ui_44.ui_gid = cpu_to_fs32(sb, value);
+ inode->ui_u1.oldids.ui_sgid = cpu_to_fs16(sb, value);
+ break;
+ case UFS_UID_EFT:
+ inode->ui_u3.ui_sun.ui_gid = cpu_to_fs32(sb, value);
+ if (value > 0xFFFF)
+ value = 0xFFFF;
+ /* Fall through */
+ default:
+ inode->ui_u1.oldids.ui_sgid = cpu_to_fs16(sb, value);
break;
}
- inode->ui_u1.oldids.ui_sgid = cpu_to_fs16(sb, value);
}
extern dev_t ufs_get_inode_dev(struct super_block *, struct ufs_inode_info *);
extern void ufs_set_inode_dev(struct super_block *, struct ufs_inode_info *, dev_t);
+extern int __ufs_write_begin(struct file *file, struct address_space *mapping,
+ loff_t pos, unsigned len, unsigned flags,
+ struct page **pagep, void **fsdata);
/*
* These functions manipulate ufs buffers
extern void ubh_brelse_uspi (struct ufs_sb_private_info *);
extern void ubh_mark_buffer_dirty (struct ufs_buffer_head *);
extern void ubh_mark_buffer_uptodate (struct ufs_buffer_head *, int);
-extern void ubh_ll_rw_block (int, unsigned, struct ufs_buffer_head **);
+extern void ubh_ll_rw_block(int, struct ufs_buffer_head *);
extern void ubh_wait_on_buffer (struct ufs_buffer_head *);
extern void ubh_bforget (struct ufs_buffer_head *);
extern int ubh_buffer_dirty (struct ufs_buffer_head *);
#define ubh_memcpyubh(ubh,mem,size) _ubh_memcpyubh_(uspi,ubh,mem,size)
extern void _ubh_memcpyubh_(struct ufs_sb_private_info *, struct ufs_buffer_head *, unsigned char *, unsigned);
+/* This functions works with cache pages*/
+extern struct page *ufs_get_locked_page(struct address_space *mapping,
+ pgoff_t index);
+static inline void ufs_put_locked_page(struct page *page)
+{
+ unlock_page(page);
+ page_cache_release(page);
+}
/*
#define ubh_get_addr16(ubh,begin) \
(((__fs16*)((ubh)->bh[(begin) >> (uspi->s_fshift-1)]->b_data)) + \
- ((begin) & (uspi->fsize>>1) - 1)))
+ ((begin) & ((uspi->fsize>>1) - 1)))
#define ubh_get_addr32(ubh,begin) \
(((__fs32*)((ubh)->bh[(begin) >> (uspi->s_fshift-2)]->b_data)) + \
((begin) & ((uspi->s_fsize>>2) - 1)))
+#define ubh_get_addr64(ubh,begin) \
+ (((__fs64*)((ubh)->bh[(begin) >> (uspi->s_fshift-3)]->b_data)) + \
+ ((begin) & ((uspi->s_fsize>>3) - 1)))
+
#define ubh_get_addr ubh_get_addr8
+static inline void *ubh_get_data_ptr(struct ufs_sb_private_info *uspi,
+ struct ufs_buffer_head *ubh,
+ u64 blk)
+{
+ if (uspi->fs_magic == UFS2_MAGIC)
+ return ubh_get_addr64(ubh, blk);
+ else
+ return ubh_get_addr32(ubh, blk);
+}
+
#define ubh_blkmap(ubh,begin,bit) \
((*ubh_get_addr(ubh, (begin) + ((bit) >> 3)) >> ((bit) & 7)) & (0xff >> (UFS_MAXFRAG - uspi->s_fpb)))
-
-/*
- * Macros for access to superblock array structures
- */
-#define ubh_postbl(ubh,cylno,i) \
- ((uspi->s_postblformat != UFS_DYNAMICPOSTBLFMT) \
- ? (*(__s16*)(ubh_get_addr(ubh, \
- (unsigned)(&((struct ufs_super_block *)0)->fs_opostbl) \
- + (((cylno) * 16 + (i)) << 1) ) )) \
- : (*(__s16*)(ubh_get_addr(ubh, \
- uspi->s_postbloff + (((cylno) * uspi->s_nrpos + (i)) << 1) ))))
-
-#define ubh_rotbl(ubh,i) \
- ((uspi->s_postblformat != UFS_DYNAMICPOSTBLFMT) \
- ? (*(__u8*)(ubh_get_addr(ubh, \
- (unsigned)(&((struct ufs_super_block *)0)->fs_space) + (i)))) \
- : (*(__u8*)(ubh_get_addr(ubh, uspi->s_rotbloff + (i)))))
-
/*
* Determine the number of available frags given a
* percentage to hold in reserve.
*/
-#define ufs_freespace(usb, percentreserved) \
- (ufs_blkstofrags(fs32_to_cpu(sb, (usb)->fs_cstotal.cs_nbfree)) + \
- fs32_to_cpu(sb, (usb)->fs_cstotal.cs_nffree) - (uspi->s_dsize * (percentreserved) / 100))
+static inline u64
+ufs_freespace(struct ufs_sb_private_info *uspi, int percentreserved)
+{
+ return ufs_blkstofrags(uspi->cs_total.cs_nbfree) +
+ uspi->cs_total.cs_nffree -
+ (uspi->s_dsize * (percentreserved) / 100);
+}
/*
* Macros to access cylinder group array structures
fs32_add(sb, &fraglist[fragsize], cnt);
}
-#define ubh_scanc(ubh,begin,size,table,mask) _ubh_scanc_(uspi,ubh,begin,size,table,mask)
-static inline unsigned _ubh_scanc_(struct ufs_sb_private_info * uspi, struct ufs_buffer_head * ubh,
- unsigned begin, unsigned size, unsigned char * table, unsigned char mask)
+static inline void *ufs_get_direct_data_ptr(struct ufs_sb_private_info *uspi,
+ struct ufs_inode_info *ufsi,
+ unsigned blk)
{
- unsigned rest, offset;
- unsigned char * cp;
-
+ BUG_ON(blk > UFS_TIND_BLOCK);
+ return uspi->fs_magic == UFS2_MAGIC ?
+ (void *)&ufsi->i_u1.u2_i_data[blk] :
+ (void *)&ufsi->i_u1.i_data[blk];
+}
- offset = begin & ~uspi->s_fmask;
- begin >>= uspi->s_fshift;
- for (;;) {
- if ((offset + size) < uspi->s_fsize)
- rest = size;
- else
- rest = uspi->s_fsize - offset;
- size -= rest;
- cp = ubh->bh[begin]->b_data + offset;
- while ((table[*cp++] & mask) == 0 && --rest);
- if (rest || !size)
- break;
- begin++;
- offset = 0;
- }
- return (size + rest);
+static inline u64 ufs_data_ptr_to_cpu(struct super_block *sb, void *p)
+{
+ return UFS_SB(sb)->s_uspi->fs_magic == UFS2_MAGIC ?
+ fs64_to_cpu(sb, *(__fs64 *)p) :
+ fs32_to_cpu(sb, *(__fs32 *)p);
+}
+
+static inline void ufs_cpu_to_data_ptr(struct super_block *sb, void *p, u64 val)
+{
+ if (UFS_SB(sb)->s_uspi->fs_magic == UFS2_MAGIC)
+ *(__fs64 *)p = cpu_to_fs64(sb, val);
+ else
+ *(__fs32 *)p = cpu_to_fs32(sb, val);
+}
+
+static inline void ufs_data_ptr_clear(struct ufs_sb_private_info *uspi,
+ void *p)
+{
+ if (uspi->fs_magic == UFS2_MAGIC)
+ *(__fs64 *)p = 0;
+ else
+ *(__fs32 *)p = 0;
+}
+
+static inline int ufs_is_data_ptr_zero(struct ufs_sb_private_info *uspi,
+ void *p)
+{
+ if (uspi->fs_magic == UFS2_MAGIC)
+ return *(__fs64 *)p == 0;
+ else
+ return *(__fs32 *)p == 0;
}