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wrappers for ->i_mutex access

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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
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8
fs/xattr.c
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@@ -129,7 +129,7 @@ vfs_setxattr(struct dentry *dentry, const char *name, const void *value,
if (error)
return error;
mutex_lock(&inode->i_mutex);
inode_lock(inode);
error = security_inode_setxattr(dentry, name, value, size, flags);
if (error)
goto out;
@@ -137,7 +137,7 @@ vfs_setxattr(struct dentry *dentry, const char *name, const void *value,
error = __vfs_setxattr_noperm(dentry, name, value, size, flags);
out:
mutex_unlock(&inode->i_mutex);
inode_unlock(inode);
return error;
}
EXPORT_SYMBOL_GPL(vfs_setxattr);
@@ -277,7 +277,7 @@ vfs_removexattr(struct dentry *dentry, const char *name)
if (error)
return error;
mutex_lock(&inode->i_mutex);
inode_lock(inode);
error = security_inode_removexattr(dentry, name);
if (error)
goto out;
@@ -290,7 +290,7 @@ vfs_removexattr(struct dentry *dentry, const char *name)
}
out:
mutex_unlock(&inode->i_mutex);
inode_unlock(inode);
return error;
}
EXPORT_SYMBOL_GPL(vfs_removexattr);