xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

wrappers for ->i_mutex access

Browse Source 
parallel to mutex_{lock,unlock,trylock,is_locked,lock_nested},
inode_foo(inode) being mutex_foo(&inode->i_mutex).

Please, use those for access to ->i_mutex; over the coming cycle
->i_mutex will become rwsem, with ->lookup() done with it held
only shared.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2016-01-22 15:40:57 -05:00
parent 57b8f112cf
commit 5955102c99
177 changed files with 908 additions and 883 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
fs/configfs/file.c
View File

@@ -540,10 +540,10 @@ int configfs_create_file(struct config_item * item, const struct configfs_attrib
umode_t mode = (attr->ca_mode & S_IALLUGO) | S_IFREG;
int error = 0;
mutex_lock_nested(&d_inode(dir)->i_mutex, I_MUTEX_NORMAL);
inode_lock_nested(d_inode(dir), I_MUTEX_NORMAL);
error = configfs_make_dirent(parent_sd, NULL, (void *) attr, mode,
CONFIGFS_ITEM_ATTR);
mutex_unlock(&d_inode(dir)->i_mutex);
inode_unlock(d_inode(dir));
return error;
}
@@ -562,10 +562,10 @@ int configfs_create_bin_file(struct config_item *item,
umode_t mode = (bin_attr->cb_attr.ca_mode & S_IALLUGO) | S_IFREG;
int error = 0;
mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_NORMAL);
inode_lock_nested(dir->d_inode, I_MUTEX_NORMAL);
error = configfs_make_dirent(parent_sd, NULL, (void *) bin_attr, mode,
CONFIGFS_ITEM_BIN_ATTR);
mutex_unlock(&dir->d_inode->i_mutex);
inode_unlock(dir->d_inode);
return error;
}