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-rw-r--r--arch/powerpc/platforms/cell/spufs/coredump.c4
-rw-r--r--arch/powerpc/platforms/cell/spufs/file.c6
-rw-r--r--arch/powerpc/platforms/cell/spufs/inode.c66
-rw-r--r--arch/powerpc/platforms/cell/spufs/syscalls.c2
-rw-r--r--arch/powerpc/platforms/pseries/hvCall_inst.c2
-rw-r--r--arch/powerpc/platforms/pseries/scanlog.c8
6 files changed, 31 insertions, 57 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/coredump.c b/arch/powerpc/platforms/cell/spufs/coredump.c
index 657e3f233a64..c9500ea7be2f 100644
--- a/arch/powerpc/platforms/cell/spufs/coredump.c
+++ b/arch/powerpc/platforms/cell/spufs/coredump.c
@@ -111,7 +111,7 @@ static int match_context(const void *v, struct file *file, unsigned fd)
struct spu_context *ctx;
if (file->f_op != &spufs_context_fops)
return 0;
- ctx = SPUFS_I(file->f_dentry->d_inode)->i_ctx;
+ ctx = SPUFS_I(file_inode(file))->i_ctx;
if (ctx->flags & SPU_CREATE_NOSCHED)
return 0;
return fd + 1;
@@ -137,7 +137,7 @@ static struct spu_context *coredump_next_context(int *fd)
return NULL;
*fd = n - 1;
file = fcheck(*fd);
- return SPUFS_I(file->f_dentry->d_inode)->i_ctx;
+ return SPUFS_I(file_inode(file))->i_ctx;
}
int spufs_coredump_extra_notes_size(void)
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 0cfece4cf6ef..68c57d38745a 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -1852,7 +1852,7 @@ out:
static int spufs_mfc_fsync(struct file *file, loff_t start, loff_t end, int datasync)
{
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
int err = filemap_write_and_wait_range(inode->i_mapping, start, end);
if (!err) {
mutex_lock(&inode->i_mutex);
@@ -2501,7 +2501,7 @@ static int switch_log_sprint(struct spu_context *ctx, char *tbuf, int n)
static ssize_t spufs_switch_log_read(struct file *file, char __user *buf,
size_t len, loff_t *ppos)
{
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
struct spu_context *ctx = SPUFS_I(inode)->i_ctx;
int error = 0, cnt = 0;
@@ -2571,7 +2571,7 @@ static ssize_t spufs_switch_log_read(struct file *file, char __user *buf,
static unsigned int spufs_switch_log_poll(struct file *file, poll_table *wait)
{
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
struct spu_context *ctx = SPUFS_I(inode)->i_ctx;
unsigned int mask = 0;
int rc;
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index dba1ce235da5..863184b182f4 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -199,37 +199,18 @@ static int spufs_fill_dir(struct dentry *dir,
const struct spufs_tree_descr *files, umode_t mode,
struct spu_context *ctx)
{
- struct dentry *dentry, *tmp;
- int ret;
-
while (files->name && files->name[0]) {
- ret = -ENOMEM;
- dentry = d_alloc_name(dir, files->name);
+ int ret;
+ struct dentry *dentry = d_alloc_name(dir, files->name);
if (!dentry)
- goto out;
+ return -ENOMEM;
ret = spufs_new_file(dir->d_sb, dentry, files->ops,
files->mode & mode, files->size, ctx);
if (ret)
- goto out;
+ return ret;
files++;
}
return 0;
-out:
- /*
- * remove all children from dir. dir->inode is not set so don't
- * just simply use spufs_prune_dir() and panic afterwards :)
- * dput() looks like it will do the right thing:
- * - dec parent's ref counter
- * - remove child from parent's child list
- * - free child's inode if possible
- * - free child
- */
- list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_u.d_child) {
- dput(dentry);
- }
-
- shrink_dcache_parent(dir);
- return ret;
}
static int spufs_dir_close(struct inode *inode, struct file *file)
@@ -269,10 +250,9 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags,
struct inode *inode;
struct spu_context *ctx;
- ret = -ENOSPC;
inode = spufs_new_inode(dir->i_sb, mode | S_IFDIR);
if (!inode)
- goto out;
+ return -ENOSPC;
if (dir->i_mode & S_ISGID) {
inode->i_gid = dir->i_gid;
@@ -280,40 +260,38 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags,
}
ctx = alloc_spu_context(SPUFS_I(dir)->i_gang); /* XXX gang */
SPUFS_I(inode)->i_ctx = ctx;
- if (!ctx)
- goto out_iput;
+ if (!ctx) {
+ iput(inode);
+ return -ENOSPC;
+ }
ctx->flags = flags;
inode->i_op = &simple_dir_inode_operations;
inode->i_fop = &simple_dir_operations;
+
+ mutex_lock(&inode->i_mutex);
+
+ dget(dentry);
+ inc_nlink(dir);
+ inc_nlink(inode);
+
+ d_instantiate(dentry, inode);
+
if (flags & SPU_CREATE_NOSCHED)
ret = spufs_fill_dir(dentry, spufs_dir_nosched_contents,
mode, ctx);
else
ret = spufs_fill_dir(dentry, spufs_dir_contents, mode, ctx);
- if (ret)
- goto out_free_ctx;
-
- if (spufs_get_sb_info(dir->i_sb)->debug)
+ if (!ret && spufs_get_sb_info(dir->i_sb)->debug)
ret = spufs_fill_dir(dentry, spufs_dir_debug_contents,
mode, ctx);
if (ret)
- goto out_free_ctx;
+ spufs_rmdir(dir, dentry);
- d_instantiate(dentry, inode);
- dget(dentry);
- inc_nlink(dir);
- inc_nlink(dentry->d_inode);
- goto out;
+ mutex_unlock(&inode->i_mutex);
-out_free_ctx:
- spu_forget(ctx);
- put_spu_context(ctx);
-out_iput:
- iput(inode);
-out:
return ret;
}
@@ -368,7 +346,7 @@ spufs_assert_affinity(unsigned int flags, struct spu_gang *gang,
return ERR_PTR(-EINVAL);
neighbor = get_spu_context(
- SPUFS_I(filp->f_dentry->d_inode)->i_ctx);
+ SPUFS_I(file_inode(filp))->i_ctx);
if (!list_empty(&neighbor->aff_list) && !(neighbor->aff_head) &&
!list_is_last(&neighbor->aff_list, &gang->aff_list_head) &&
diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c
index baee994fe810..b045fdda4845 100644
--- a/arch/powerpc/platforms/cell/spufs/syscalls.c
+++ b/arch/powerpc/platforms/cell/spufs/syscalls.c
@@ -47,7 +47,7 @@ static long do_spu_run(struct file *filp,
if (filp->f_op != &spufs_context_fops)
goto out;
- i = SPUFS_I(filp->f_path.dentry->d_inode);
+ i = SPUFS_I(file_inode(filp));
ret = spufs_run_spu(i->i_ctx, &npc, &status);
if (put_user(npc, unpc))
diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c
index c9311cfdfcac..cf4e7736e4f1 100644
--- a/arch/powerpc/platforms/pseries/hvCall_inst.c
+++ b/arch/powerpc/platforms/pseries/hvCall_inst.c
@@ -86,7 +86,7 @@ static int hcall_inst_seq_open(struct inode *inode, struct file *file)
rc = seq_open(file, &hcall_inst_seq_ops);
seq = file->private_data;
- seq->private = file->f_path.dentry->d_inode->i_private;
+ seq->private = file_inode(file)->i_private;
return rc;
}
diff --git a/arch/powerpc/platforms/pseries/scanlog.c b/arch/powerpc/platforms/pseries/scanlog.c
index 554457294a2b..47f3cda2a68b 100644
--- a/arch/powerpc/platforms/pseries/scanlog.c
+++ b/arch/powerpc/platforms/pseries/scanlog.c
@@ -46,16 +46,12 @@ static struct proc_dir_entry *proc_ppc64_scan_log_dump; /* The proc file */
static ssize_t scanlog_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
- struct inode * inode = file->f_path.dentry->d_inode;
- struct proc_dir_entry *dp;
- unsigned int *data;
+ struct proc_dir_entry *dp = PDE(file_inode(file));
+ unsigned int *data = (unsigned int *)dp->data;
int status;
unsigned long len, off;
unsigned int wait_time;
- dp = PDE(inode);
- data = (unsigned int *)dp->data;
-
if (count > RTAS_DATA_BUF_SIZE)
count = RTAS_DATA_BUF_SIZE;