diff options
author | David Howells <dhowells@redhat.com> | 2015-03-17 22:26:12 +0000 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-04-15 15:06:58 -0400 |
commit | 75c3cfa855dcedc84e7964269c9b6baf26137959 (patch) | |
tree | 2ef6b8570069d7811542db376c88fbe208a5771d /drivers | |
parent | 2b0143b5c986be1ce8408b3aadc4709e0a94429d (diff) | |
download | linux-75c3cfa855dcedc84e7964269c9b6baf26137959.tar.bz2 |
VFS: assorted weird filesystems: d_inode() annotations
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/base/devtmpfs.c | 32 | ||||
-rw-r--r-- | drivers/block/drbd/drbd_debugfs.c | 8 | ||||
-rw-r--r-- | drivers/infiniband/hw/ipath/ipath_fs.c | 16 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_fs.c | 20 | ||||
-rw-r--r-- | drivers/oprofile/oprofilefs.c | 16 | ||||
-rw-r--r-- | drivers/usb/gadget/legacy/inode.c | 2 |
6 files changed, 47 insertions, 47 deletions
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c index 25798db14553..68f03141e432 100644 --- a/drivers/base/devtmpfs.c +++ b/drivers/base/devtmpfs.c @@ -157,10 +157,10 @@ static int dev_mkdir(const char *name, umode_t mode) if (IS_ERR(dentry)) return PTR_ERR(dentry); - err = vfs_mkdir(path.dentry->d_inode, dentry, mode); + err = vfs_mkdir(d_inode(path.dentry), dentry, mode); if (!err) /* mark as kernel-created inode */ - dentry->d_inode->i_private = &thread; + d_inode(dentry)->i_private = &thread; done_path_create(&path, dentry); return err; } @@ -207,7 +207,7 @@ static int handle_create(const char *nodename, umode_t mode, kuid_t uid, if (IS_ERR(dentry)) return PTR_ERR(dentry); - err = vfs_mknod(path.dentry->d_inode, dentry, mode, dev->devt); + err = vfs_mknod(d_inode(path.dentry), dentry, mode, dev->devt); if (!err) { struct iattr newattrs; @@ -215,12 +215,12 @@ static int handle_create(const char *nodename, umode_t mode, kuid_t uid, newattrs.ia_uid = uid; newattrs.ia_gid = gid; newattrs.ia_valid = ATTR_MODE|ATTR_UID|ATTR_GID; - mutex_lock(&dentry->d_inode->i_mutex); + mutex_lock(&d_inode(dentry)->i_mutex); notify_change(dentry, &newattrs, NULL); - mutex_unlock(&dentry->d_inode->i_mutex); + mutex_unlock(&d_inode(dentry)->i_mutex); /* mark as kernel-created inode */ - dentry->d_inode->i_private = &thread; + d_inode(dentry)->i_private = &thread; } done_path_create(&path, dentry); return err; @@ -235,16 +235,16 @@ static int dev_rmdir(const char *name) dentry = kern_path_locked(name, &parent); if (IS_ERR(dentry)) return PTR_ERR(dentry); - if (dentry->d_inode) { - if (dentry->d_inode->i_private == &thread) - err = vfs_rmdir(parent.dentry->d_inode, dentry); + if (d_really_is_positive(dentry)) { + if (d_inode(dentry)->i_private == &thread) + err = vfs_rmdir(d_inode(parent.dentry), dentry); else err = -EPERM; } else { err = -ENOENT; } dput(dentry); - mutex_unlock(&parent.dentry->d_inode->i_mutex); + mutex_unlock(&d_inode(parent.dentry)->i_mutex); path_put(&parent); return err; } @@ -306,11 +306,11 @@ static int handle_remove(const char *nodename, struct device *dev) if (IS_ERR(dentry)) return PTR_ERR(dentry); - if (dentry->d_inode) { + if (d_really_is_positive(dentry)) { struct kstat stat; struct path p = {.mnt = parent.mnt, .dentry = dentry}; err = vfs_getattr(&p, &stat); - if (!err && dev_mynode(dev, dentry->d_inode, &stat)) { + if (!err && dev_mynode(dev, d_inode(dentry), &stat)) { struct iattr newattrs; /* * before unlinking this node, reset permissions @@ -321,10 +321,10 @@ static int handle_remove(const char *nodename, struct device *dev) newattrs.ia_mode = stat.mode & ~0777; newattrs.ia_valid = ATTR_UID|ATTR_GID|ATTR_MODE; - mutex_lock(&dentry->d_inode->i_mutex); + mutex_lock(&d_inode(dentry)->i_mutex); notify_change(dentry, &newattrs, NULL); - mutex_unlock(&dentry->d_inode->i_mutex); - err = vfs_unlink(parent.dentry->d_inode, dentry, NULL); + mutex_unlock(&d_inode(dentry)->i_mutex); + err = vfs_unlink(d_inode(parent.dentry), dentry, NULL); if (!err || err == -ENOENT) deleted = 1; } @@ -332,7 +332,7 @@ static int handle_remove(const char *nodename, struct device *dev) err = -ENOENT; } dput(dentry); - mutex_unlock(&parent.dentry->d_inode->i_mutex); + mutex_unlock(&d_inode(parent.dentry)->i_mutex); path_put(&parent); if (deleted && strchr(nodename, '/')) diff --git a/drivers/block/drbd/drbd_debugfs.c b/drivers/block/drbd/drbd_debugfs.c index 9a950022ff88..a6ee3d750c30 100644 --- a/drivers/block/drbd/drbd_debugfs.c +++ b/drivers/block/drbd/drbd_debugfs.c @@ -424,7 +424,7 @@ static int in_flight_summary_show(struct seq_file *m, void *pos) * So we have our own inline version of it above. :-( */ static inline int debugfs_positive(struct dentry *dentry) { - return dentry->d_inode && !d_unhashed(dentry); + return d_really_is_positive(dentry) && !d_unhashed(dentry); } /* make sure at *open* time that the respective object won't go away. */ @@ -439,15 +439,15 @@ static int drbd_single_open(struct file *file, int (*show)(struct seq_file *, vo * or has debugfs_remove() already been called? */ parent = file->f_path.dentry->d_parent; /* not sure if this can happen: */ - if (!parent || !parent->d_inode) + if (!parent || d_really_is_negative(parent)) goto out; /* serialize with d_delete() */ - mutex_lock(&parent->d_inode->i_mutex); + mutex_lock(&d_inode(parent)->i_mutex); /* Make sure the object is still alive */ if (debugfs_positive(file->f_path.dentry) && kref_get_unless_zero(kref)) ret = 0; - mutex_unlock(&parent->d_inode->i_mutex); + mutex_unlock(&d_inode(parent)->i_mutex); if (!ret) { ret = single_open(file, show, data); if (ret) diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c index 33c45dfcbd88..1ca8e32a9592 100644 --- a/drivers/infiniband/hw/ipath/ipath_fs.c +++ b/drivers/infiniband/hw/ipath/ipath_fs.c @@ -82,14 +82,14 @@ static int create_file(const char *name, umode_t mode, { int error; - mutex_lock(&parent->d_inode->i_mutex); + mutex_lock(&d_inode(parent)->i_mutex); *dentry = lookup_one_len(name, parent, strlen(name)); if (!IS_ERR(*dentry)) - error = ipathfs_mknod(parent->d_inode, *dentry, + error = ipathfs_mknod(d_inode(parent), *dentry, mode, fops, data); else error = PTR_ERR(*dentry); - mutex_unlock(&parent->d_inode->i_mutex); + mutex_unlock(&d_inode(parent)->i_mutex); return error; } @@ -277,11 +277,11 @@ static int remove_file(struct dentry *parent, char *name) } spin_lock(&tmp->d_lock); - if (!d_unhashed(tmp) && tmp->d_inode) { + if (!d_unhashed(tmp) && d_really_is_positive(tmp)) { dget_dlock(tmp); __d_drop(tmp); spin_unlock(&tmp->d_lock); - simple_unlink(parent->d_inode, tmp); + simple_unlink(d_inode(parent), tmp); } else spin_unlock(&tmp->d_lock); @@ -302,7 +302,7 @@ static int remove_device_files(struct super_block *sb, int ret; root = dget(sb->s_root); - mutex_lock(&root->d_inode->i_mutex); + mutex_lock(&d_inode(root)->i_mutex); snprintf(unit, sizeof unit, "%02d", dd->ipath_unit); dir = lookup_one_len(unit, root, strlen(unit)); @@ -315,10 +315,10 @@ static int remove_device_files(struct super_block *sb, remove_file(dir, "flash"); remove_file(dir, "atomic_counters"); d_delete(dir); - ret = simple_rmdir(root->d_inode, dir); + ret = simple_rmdir(d_inode(root), dir); bail: - mutex_unlock(&root->d_inode->i_mutex); + mutex_unlock(&d_inode(root)->i_mutex); dput(root); return ret; } diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c index 650897a8591e..bdd5d3857203 100644 --- a/drivers/infiniband/hw/qib/qib_fs.c +++ b/drivers/infiniband/hw/qib/qib_fs.c @@ -89,14 +89,14 @@ static int create_file(const char *name, umode_t mode, { int error; - mutex_lock(&parent->d_inode->i_mutex); + mutex_lock(&d_inode(parent)->i_mutex); *dentry = lookup_one_len(name, parent, strlen(name)); if (!IS_ERR(*dentry)) - error = qibfs_mknod(parent->d_inode, *dentry, + error = qibfs_mknod(d_inode(parent), *dentry, mode, fops, data); else error = PTR_ERR(*dentry); - mutex_unlock(&parent->d_inode->i_mutex); + mutex_unlock(&d_inode(parent)->i_mutex); return error; } @@ -455,10 +455,10 @@ static int remove_file(struct dentry *parent, char *name) } spin_lock(&tmp->d_lock); - if (!d_unhashed(tmp) && tmp->d_inode) { + if (!d_unhashed(tmp) && d_really_is_positive(tmp)) { __d_drop(tmp); spin_unlock(&tmp->d_lock); - simple_unlink(parent->d_inode, tmp); + simple_unlink(d_inode(parent), tmp); } else { spin_unlock(&tmp->d_lock); } @@ -481,7 +481,7 @@ static int remove_device_files(struct super_block *sb, int ret, i; root = dget(sb->s_root); - mutex_lock(&root->d_inode->i_mutex); + mutex_lock(&d_inode(root)->i_mutex); snprintf(unit, sizeof(unit), "%u", dd->unit); dir = lookup_one_len(unit, root, strlen(unit)); @@ -491,7 +491,7 @@ static int remove_device_files(struct super_block *sb, goto bail; } - mutex_lock(&dir->d_inode->i_mutex); + mutex_lock(&d_inode(dir)->i_mutex); remove_file(dir, "counters"); remove_file(dir, "counter_names"); remove_file(dir, "portcounter_names"); @@ -506,13 +506,13 @@ static int remove_device_files(struct super_block *sb, } } remove_file(dir, "flash"); - mutex_unlock(&dir->d_inode->i_mutex); - ret = simple_rmdir(root->d_inode, dir); + mutex_unlock(&d_inode(dir)->i_mutex); + ret = simple_rmdir(d_inode(root), dir); d_delete(dir); dput(dir); bail: - mutex_unlock(&root->d_inode->i_mutex); + mutex_unlock(&d_inode(root)->i_mutex); dput(root); return ret; } diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c index 3f493459378f..dd92c5edf219 100644 --- a/drivers/oprofile/oprofilefs.c +++ b/drivers/oprofile/oprofilefs.c @@ -138,22 +138,22 @@ static int __oprofilefs_create_file(struct dentry *root, char const *name, struct dentry *dentry; struct inode *inode; - mutex_lock(&root->d_inode->i_mutex); + mutex_lock(&d_inode(root)->i_mutex); dentry = d_alloc_name(root, name); if (!dentry) { - mutex_unlock(&root->d_inode->i_mutex); + mutex_unlock(&d_inode(root)->i_mutex); return -ENOMEM; } inode = oprofilefs_get_inode(root->d_sb, S_IFREG | perm); if (!inode) { dput(dentry); - mutex_unlock(&root->d_inode->i_mutex); + mutex_unlock(&d_inode(root)->i_mutex); return -ENOMEM; } inode->i_fop = fops; inode->i_private = priv; d_add(dentry, inode); - mutex_unlock(&root->d_inode->i_mutex); + mutex_unlock(&d_inode(root)->i_mutex); return 0; } @@ -215,22 +215,22 @@ struct dentry *oprofilefs_mkdir(struct dentry *parent, char const *name) struct dentry *dentry; struct inode *inode; - mutex_lock(&parent->d_inode->i_mutex); + mutex_lock(&d_inode(parent)->i_mutex); dentry = d_alloc_name(parent, name); if (!dentry) { - mutex_unlock(&parent->d_inode->i_mutex); + mutex_unlock(&d_inode(parent)->i_mutex); return NULL; } inode = oprofilefs_get_inode(parent->d_sb, S_IFDIR | 0755); if (!inode) { dput(dentry); - mutex_unlock(&parent->d_inode->i_mutex); + mutex_unlock(&d_inode(parent)->i_mutex); return NULL; } inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; d_add(dentry, inode); - mutex_unlock(&parent->d_inode->i_mutex); + mutex_unlock(&d_inode(parent)->i_mutex); return dentry; } diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index 6af58c6dba5e..2030565c6789 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -1505,7 +1505,7 @@ static void destroy_ep_files (struct dev_data *dev) list_del_init (&ep->epfiles); dentry = ep->dentry; ep->dentry = NULL; - parent = dentry->d_parent->d_inode; + parent = d_inode(dentry->d_parent); /* break link to controller */ if (ep->state == STATE_EP_ENABLED) |