---
arch/parisc/kernel/sys_parisc.c | 8 ++------
drivers/block/loop.c | 11 ++++++-----
fs/fcntl.c | 4 ++--
fs/ioctl.c | 2 +-
fs/locks.c | 4 ++--
fs/open.c | 4 ++--
kernel/fork.c | 4 ++--
mm/fadvise.c | 4 +---
mm/mmap.c | 18 ++++++++----------
mm/swapfile.c | 24 ++++++++++++------------
10 files changed, 38 insertions(+), 45 deletions(-)
diff -puN arch/parisc/kernel/sys_parisc.c~RD7-f_mapping3-mm arch/parisc/kernel/sys_parisc.c
--- 25/arch/parisc/kernel/sys_parisc.c~RD7-f_mapping3-mm 2004-01-07 21:24:52.000000000 -0800
+++ 25-akpm/arch/parisc/kernel/sys_parisc.c 2004-01-07 21:24:52.000000000 -0800
@@ -93,17 +93,13 @@ static unsigned long get_shared_area(str
unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
unsigned long len, unsigned long pgoff, unsigned long flags)
{
- struct inode *inode;
-
if (len > TASK_SIZE)
return -ENOMEM;
if (!addr)
addr = TASK_UNMAPPED_BASE;
- inode = filp ? filp->f_dentry->d_inode : NULL;
-
- if (inode && (flags & MAP_SHARED)) {
- addr = get_shared_area(inode->i_mapping, addr, len, pgoff);
+ if (filp && (flags & MAP_SHARED)) {
+ addr = get_shared_area(filp->f_mapping, addr, len, pgoff);
} else {
addr = get_unshared_area(addr, len);
}
diff -puN drivers/block/loop.c~RD7-f_mapping3-mm drivers/block/loop.c
--- 25/drivers/block/loop.c~RD7-f_mapping3-mm 2004-01-07 21:24:52.000000000 -0800
+++ 25-akpm/drivers/block/loop.c 2004-01-07 21:25:31.000000000 -0800
@@ -659,6 +659,7 @@ static int loop_set_fd(struct loop_devic
struct file *file;
struct inode *inode;
struct block_device *lo_device = NULL;
+ struct address_space *mapping;
unsigned lo_blocksize;
int lo_flags = 0;
int error;
@@ -675,7 +676,8 @@ static int loop_set_fd(struct loop_devic
if (!file)
goto out;
- inode = file->f_dentry->d_inode;
+ mapping = file->f_mapping;
+ inode = mapping->host;
if (!(file->f_mode & FMODE_WRITE))
lo_flags |= LO_FLAGS_READ_ONLY;
@@ -690,7 +692,7 @@ static int loop_set_fd(struct loop_devic
if (bdev_read_only(lo_device))
lo_flags |= LO_FLAGS_READ_ONLY;
} else if (S_ISREG(inode->i_mode)) {
- struct address_space_operations *aops = inode->i_mapping->a_ops;
+ struct address_space_operations *aops = mapping->a_ops;
/*
* If we can't read - sorry. If we only can't write - well,
* it's going to be read-only.
@@ -724,9 +726,8 @@ static int loop_set_fd(struct loop_devic
error = -EFBIG;
goto out_putf;
}
- lo->old_gfp_mask = mapping_gfp_mask(inode->i_mapping);
- mapping_set_gfp_mask(inode->i_mapping,
- lo->old_gfp_mask & ~(__GFP_IO|__GFP_FS));
+ lo->old_gfp_mask = mapping_gfp_mask(mapping);
+ mapping_set_gfp_mask(mapping, lo->old_gfp_mask & ~(__GFP_IO|__GFP_FS));
lo->lo_bio = lo->lo_biotail = NULL;
diff -puN fs/fcntl.c~RD7-f_mapping3-mm fs/fcntl.c
--- 25/fs/fcntl.c~RD7-f_mapping3-mm 2004-01-07 21:24:52.000000000 -0800
+++ 25-akpm/fs/fcntl.c 2004-01-07 21:24:52.000000000 -0800
@@ -229,8 +229,8 @@ static int setfl(int fd, struct file * f
arg |= O_NONBLOCK;
if (arg & O_DIRECT) {
- if (!inode->i_mapping || !inode->i_mapping->a_ops ||
- !inode->i_mapping->a_ops->direct_IO)
+ if (!filp->f_mapping || !filp->f_mapping->a_ops ||
+ !filp->f_mapping->a_ops->direct_IO)
return -EINVAL;
}
diff -puN fs/ioctl.c~RD7-f_mapping3-mm fs/ioctl.c
--- 25/fs/ioctl.c~RD7-f_mapping3-mm 2004-01-07 21:24:52.000000000 -0800
+++ 25-akpm/fs/ioctl.c 2004-01-07 21:24:52.000000000 -0800
@@ -22,7 +22,7 @@ static int file_ioctl(struct file *filp,
switch (cmd) {
case FIBMAP:
{
- struct address_space *mapping = inode->i_mapping;
+ struct address_space *mapping = filp->f_mapping;
int res;
/* do we support this mess? */
if (!mapping->a_ops->bmap)
diff -puN fs/locks.c~RD7-f_mapping3-mm fs/locks.c
--- 25/fs/locks.c~RD7-f_mapping3-mm 2004-01-07 21:24:52.000000000 -0800
+++ 25-akpm/fs/locks.c 2004-01-07 21:24:52.000000000 -0800
@@ -1454,7 +1454,7 @@ int fcntl_setlk(struct file *filp, unsig
*/
if (IS_MANDLOCK(inode) &&
(inode->i_mode & (S_ISGID | S_IXGRP)) == S_ISGID) {
- struct address_space *mapping = inode->i_mapping;
+ struct address_space *mapping = filp->f_mapping;
if (!list_empty(&mapping->i_mmap_shared)) {
error = -EAGAIN;
@@ -1592,7 +1592,7 @@ int fcntl_setlk64(struct file *filp, uns
*/
if (IS_MANDLOCK(inode) &&
(inode->i_mode & (S_ISGID | S_IXGRP)) == S_ISGID) {
- struct address_space *mapping = inode->i_mapping;
+ struct address_space *mapping = filp->f_mapping;
if (!list_empty(&mapping->i_mmap_shared)) {
error = -EAGAIN;
diff -puN fs/open.c~RD7-f_mapping3-mm fs/open.c
--- 25/fs/open.c~RD7-f_mapping3-mm 2004-01-07 21:24:52.000000000 -0800
+++ 25-akpm/fs/open.c 2004-01-07 21:24:52.000000000 -0800
@@ -793,8 +793,8 @@ struct file *dentry_open(struct dentry *
/* NB: we're sure to have correct a_ops only after f_op->open */
if (f->f_flags & O_DIRECT) {
- if (!inode->i_mapping || !inode->i_mapping->a_ops ||
- !inode->i_mapping->a_ops->direct_IO) {
+ if (!f->f_mapping || !f->f_mapping->a_ops ||
+ !f->f_mapping->a_ops->direct_IO) {
fput(f);
f = ERR_PTR(-EINVAL);
}
diff -puN kernel/fork.c~RD7-f_mapping3-mm kernel/fork.c
--- 25/kernel/fork.c~RD7-f_mapping3-mm 2004-01-07 21:24:52.000000000 -0800
+++ 25-akpm/kernel/fork.c 2004-01-07 21:24:52.000000000 -0800
@@ -316,9 +316,9 @@ static inline int dup_mmap(struct mm_str
atomic_dec(&inode->i_writecount);
/* insert tmp into the share list, just after mpnt */
- down(&inode->i_mapping->i_shared_sem);
+ down(&file->f_mapping->i_shared_sem);
list_add_tail(&tmp->shared, &mpnt->shared);
- up(&inode->i_mapping->i_shared_sem);
+ up(&file->f_mapping->i_shared_sem);
}
/*
diff -puN mm/fadvise.c~RD7-f_mapping3-mm mm/fadvise.c
--- 25/mm/fadvise.c~RD7-f_mapping3-mm 2004-01-07 21:24:52.000000000 -0800
+++ 25-akpm/mm/fadvise.c 2004-01-07 21:24:52.000000000 -0800
@@ -23,7 +23,6 @@
asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice)
{
struct file *file = fget(fd);
- struct inode *inode;
struct address_space *mapping;
struct backing_dev_info *bdi;
pgoff_t start_index;
@@ -33,8 +32,7 @@ asmlinkage long sys_fadvise64_64(int fd,
if (!file)
return -EBADF;
- inode = file->f_dentry->d_inode;
- mapping = inode->i_mapping;
+ mapping = file->f_mapping;
if (!mapping) {
ret = -EINVAL;
goto out;
diff -puN mm/mmap.c~RD7-f_mapping3-mm mm/mmap.c
--- 25/mm/mmap.c~RD7-f_mapping3-mm 2004-01-07 21:24:52.000000000 -0800
+++ 25-akpm/mm/mmap.c 2004-01-07 21:24:52.000000000 -0800
@@ -80,11 +80,10 @@ static void remove_shared_vm_struct(stru
struct file *file = vma->vm_file;
if (file) {
- struct inode *inode = file->f_dentry->d_inode;
-
- down(&inode->i_mapping->i_shared_sem);
- __remove_shared_vm_struct(vma, inode);
- up(&inode->i_mapping->i_shared_sem);
+ struct address_space *mapping = file->f_mapping;
+ down(&mapping->i_shared_sem);
+ __remove_shared_vm_struct(vma, file->f_dentry->d_inode);
+ up(&mapping->i_shared_sem);
}
}
@@ -235,11 +234,10 @@ static inline void __vma_link_file(struc
file = vma->vm_file;
if (file) {
- struct inode * inode = file->f_dentry->d_inode;
- struct address_space *mapping = inode->i_mapping;
+ struct address_space *mapping = file->f_mapping;
if (vma->vm_flags & VM_DENYWRITE)
- atomic_dec(&inode->i_writecount);
+ atomic_dec(&file->f_dentry->d_inode->i_writecount);
if (vma->vm_flags & VM_SHARED)
list_add_tail(&vma->shared, &mapping->i_mmap_shared);
@@ -383,7 +381,7 @@ static int vma_merge(struct mm_struct *m
if (vm_flags & VM_SPECIAL)
return 0;
- i_shared_sem = file ? &inode->i_mapping->i_shared_sem : NULL;
+ i_shared_sem = file ? &file->f_mapping->i_shared_sem : NULL;
if (!prev) {
prev = rb_entry(rb_parent, struct vm_area_struct, vm_rb);
@@ -1207,7 +1205,7 @@ int split_vma(struct mm_struct * mm, str
new->vm_ops->open(new);
if (vma->vm_file)
- mapping = vma->vm_file->f_dentry->d_inode->i_mapping;
+ mapping = vma->vm_file->f_mapping;
if (mapping)
down(&mapping->i_shared_sem);
diff -puN mm/swapfile.c~RD7-f_mapping3-mm mm/swapfile.c
--- 25/mm/swapfile.c~RD7-f_mapping3-mm 2004-01-07 21:24:52.000000000 -0800
+++ 25-akpm/mm/swapfile.c 2004-01-07 21:24:52.000000000 -0800
@@ -912,7 +912,7 @@ static int setup_swap_extents(struct swa
sector_t last_block;
int ret;
- inode = sis->swap_file->f_dentry->d_inode;
+ inode = sis->swap_file->f_mapping->host;
if (S_ISBLK(inode->i_mode)) {
ret = add_swap_extent(sis, 0, sis->max, 0);
goto done;
@@ -1099,13 +1099,13 @@ asmlinkage long sys_swapoff(const char _
swap_device_unlock(p);
swap_list_unlock();
vfree(swap_map);
- if (S_ISBLK(swap_file->f_dentry->d_inode->i_mode)) {
+ if (S_ISBLK(mapping->host->i_mode)) {
struct block_device *bdev;
- bdev = swap_file->f_dentry->d_inode->i_bdev;
+ bdev = mapping->host->i_bdev;
set_blocksize(bdev, p->old_block_size);
bd_release(bdev);
} else {
- up(&swap_file->f_mapping->host->i_sem);
+ up(&mapping->host->i_sem);
}
filp_close(swap_file, NULL);
err = 0;
@@ -1231,8 +1231,8 @@ asmlinkage long sys_swapon(const char __
int swapfilesize;
unsigned short *swap_map;
struct page *page = NULL;
- struct inode *inode;
- struct inode *downed_inode = NULL;
+ struct inode *inode = NULL;
+ int did_down = 0;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@@ -1279,8 +1279,8 @@ asmlinkage long sys_swapon(const char __
}
p->swap_file = swap_file;
- inode = swap_file->f_dentry->d_inode;
mapping = swap_file->f_mapping;
+ inode = mapping->host;
error = -EBUSY;
for (i = 0; i < nr_swapfiles; i++) {
@@ -1307,13 +1307,13 @@ asmlinkage long sys_swapon(const char __
p->bdev = bdev;
} else if (S_ISREG(inode->i_mode)) {
p->bdev = inode->i_sb->s_bdev;
- downed_inode = mapping->host;
- down(&downed_inode->i_sem);
+ down(&inode->i_sem);
+ did_down = 1;
} else {
goto bad_swap;
}
- swapfilesize = i_size_read(mapping->host) >> PAGE_SHIFT;
+ swapfilesize = i_size_read(inode) >> PAGE_SHIFT;
/*
* Read the swap header.
@@ -1465,8 +1465,8 @@ out:
}
if (name)
putname(name);
- if (error && downed_inode)
- up(&downed_inode->i_sem);
+ if (error && did_down)
+ up(&inode->i_sem);
return error;
}
_