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fs/coda/dir.c: forward declaration clean-up
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- Move operation structures to avoid forward declarations.

- Fix some checkpatch warnings:

WARNING: Missing a blank line after declarations
+		struct inode *host_inode = file_inode(host_file);
+		mutex_lock(&host_inode->i_mutex);

ERROR: that open brace { should be on the previous line
+const struct dentry_operations coda_dentry_operations =
+{

ERROR: that open brace { should be on the previous line
+const struct inode_operations coda_dir_inode_operations =
+{

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Jan Harkes <jaharkes@cs.cmu.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fabian Frederick authored and torvalds committed Feb 17, 2015
1 parent 111d639 commit b625032
Showing 1 changed file with 56 additions and 82 deletions.
138 changes: 56 additions & 82 deletions fs/coda/dir.c
Original file line number Diff line number Diff line change
Expand Up @@ -28,68 +28,13 @@

#include "coda_int.h"

/* dir inode-ops */
static int coda_create(struct inode *dir, struct dentry *new, umode_t mode, bool excl);
static struct dentry *coda_lookup(struct inode *dir, struct dentry *target, unsigned int flags);
static int coda_link(struct dentry *old_dentry, struct inode *dir_inode,
struct dentry *entry);
static int coda_unlink(struct inode *dir_inode, struct dentry *entry);
static int coda_symlink(struct inode *dir_inode, struct dentry *entry,
const char *symname);
static int coda_mkdir(struct inode *dir_inode, struct dentry *entry, umode_t mode);
static int coda_rmdir(struct inode *dir_inode, struct dentry *entry);
static int coda_rename(struct inode *old_inode, struct dentry *old_dentry,
struct inode *new_inode, struct dentry *new_dentry);

/* dir file-ops */
static int coda_readdir(struct file *file, struct dir_context *ctx);

/* dentry ops */
static int coda_dentry_revalidate(struct dentry *de, unsigned int flags);
static int coda_dentry_delete(const struct dentry *);

/* support routines */
static int coda_venus_readdir(struct file *, struct dir_context *);

/* same as fs/bad_inode.c */
static int coda_return_EIO(void)
{
return -EIO;
}
#define CODA_EIO_ERROR ((void *) (coda_return_EIO))

const struct dentry_operations coda_dentry_operations =
{
.d_revalidate = coda_dentry_revalidate,
.d_delete = coda_dentry_delete,
};

const struct inode_operations coda_dir_inode_operations =
{
.create = coda_create,
.lookup = coda_lookup,
.link = coda_link,
.unlink = coda_unlink,
.symlink = coda_symlink,
.mkdir = coda_mkdir,
.rmdir = coda_rmdir,
.mknod = CODA_EIO_ERROR,
.rename = coda_rename,
.permission = coda_permission,
.getattr = coda_getattr,
.setattr = coda_setattr,
};

const struct file_operations coda_dir_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
.iterate = coda_readdir,
.open = coda_open,
.release = coda_release,
.fsync = coda_fsync,
};


/* inode operations for directories */
/* access routines: lookup, readlink, permission */
static struct dentry *coda_lookup(struct inode *dir, struct dentry *entry, unsigned int flags)
Expand Down Expand Up @@ -374,33 +319,6 @@ static int coda_rename(struct inode *old_dir, struct dentry *old_dentry,
return error;
}


/* file operations for directories */
static int coda_readdir(struct file *coda_file, struct dir_context *ctx)
{
struct coda_file_info *cfi;
struct file *host_file;
int ret;

cfi = CODA_FTOC(coda_file);
BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC);
host_file = cfi->cfi_container;

if (host_file->f_op->iterate) {
struct inode *host_inode = file_inode(host_file);
mutex_lock(&host_inode->i_mutex);
ret = -ENOENT;
if (!IS_DEADDIR(host_inode)) {
ret = host_file->f_op->iterate(host_file, ctx);
file_accessed(host_file);
}
mutex_unlock(&host_inode->i_mutex);
return ret;
}
/* Venus: we must read Venus dirents from a file */
return coda_venus_readdir(coda_file, ctx);
}

static inline unsigned int CDT2DT(unsigned char cdt)
{
unsigned int dt;
Expand Down Expand Up @@ -495,6 +413,33 @@ static int coda_venus_readdir(struct file *coda_file, struct dir_context *ctx)
return 0;
}

/* file operations for directories */
static int coda_readdir(struct file *coda_file, struct dir_context *ctx)
{
struct coda_file_info *cfi;
struct file *host_file;
int ret;

cfi = CODA_FTOC(coda_file);
BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC);
host_file = cfi->cfi_container;

if (host_file->f_op->iterate) {
struct inode *host_inode = file_inode(host_file);

mutex_lock(&host_inode->i_mutex);
ret = -ENOENT;
if (!IS_DEADDIR(host_inode)) {
ret = host_file->f_op->iterate(host_file, ctx);
file_accessed(host_file);
}
mutex_unlock(&host_inode->i_mutex);
return ret;
}
/* Venus: we must read Venus dirents from a file */
return coda_venus_readdir(coda_file, ctx);
}

/* called when a cache lookup succeeds */
static int coda_dentry_revalidate(struct dentry *de, unsigned int flags)
{
Expand Down Expand Up @@ -603,3 +548,32 @@ int coda_revalidate_inode(struct inode *inode)
}
return 0;
}

const struct dentry_operations coda_dentry_operations = {
.d_revalidate = coda_dentry_revalidate,
.d_delete = coda_dentry_delete,
};

const struct inode_operations coda_dir_inode_operations = {
.create = coda_create,
.lookup = coda_lookup,
.link = coda_link,
.unlink = coda_unlink,
.symlink = coda_symlink,
.mkdir = coda_mkdir,
.rmdir = coda_rmdir,
.mknod = CODA_EIO_ERROR,
.rename = coda_rename,
.permission = coda_permission,
.getattr = coda_getattr,
.setattr = coda_setattr,
};

const struct file_operations coda_dir_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
.iterate = coda_readdir,
.open = coda_open,
.release = coda_release,
.fsync = coda_fsync,
};

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