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From: Arnd Bergmann on 27 Apr 2010 16:40
logfs does not need the BKL, so use ->unlocked_ioctl instead
of ->ioctl in file operations.
---
On Tuesday 27 April 2010 22:12:52 Frederic Weisbecker wrote:
>
> I've applied this series in bkl/ioctl, it passed allyesconfig in sparc.
> I will apply the others from you and John tomorrow or so (and will enjoy
> my part as well). J�rn, please queue this patch if you want to, as you prefer,
> we can host it as well if necessary.

I believe that this is the one that J�rn would prefer to go in. I hope I
got it right by editing the patch.

diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c
index 2396a85..a801b5e 100644
--- a/fs/logfs/dir.c
+++ b/fs/logfs/dir.c
@@ -821,7 +821,7 @@ const struct inode_operations logfs_dir_iops = {
};
const struct file_operations logfs_dir_fops = {
.fsync = logfs_fsync,
- .ioctl = logfs_ioctl,
+ .unlocked_ioctl = logfs_ioctl,
.readdir = logfs_readdir,
.read = generic_read_dir,
};
diff --git a/fs/logfs/file.c b/fs/logfs/file.c
index 370f367..1dbc342 100644
--- a/fs/logfs/file.c
+++ b/fs/logfs/file.c
@@ -171,9 +172,9 @@ static int logfs_releasepage(struct page *page, gfp_t only_xfs_uses_this)
}


-int logfs_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+long logfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
+ struct inode *inode = file->f_path.dentry->d_inode;
struct logfs_inode *li = logfs_inode(inode);
unsigned int oldflags, flags;
int err;
@@ -243,7 +255,7 @@ const struct file_operations logfs_reg_fops = {
.aio_read = generic_file_aio_read,
.aio_write = generic_file_aio_write,
.fsync = logfs_fsync,
- .ioctl = logfs_ioctl,
+ .unlocked_ioctl = logfs_ioctl,
.llseek = generic_file_llseek,
.mmap = generic_file_readonly_mmap,
.open = generic_file_open,
diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h
index 0a3df1a..8432c51 100644
--- a/fs/logfs/logfs.h
+++ b/fs/logfs/logfs.h
@@ -501,8 +501,8 @@ extern const struct inode_operations logfs_reg_iops;
extern const struct file_operations logfs_reg_fops;
extern const struct address_space_operations logfs_reg_aops;
int logfs_readpage(struct file *file, struct page *page);
-int logfs_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg);
+long logfs_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg);
int logfs_fsync(struct file *file, struct dentry *dentry, int datasync);

/* gc.c */
--
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