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

12
fs/fat/file.c
View File

@@ -24,9 +24,9 @@ static int fat_ioctl_get_attributes(struct inode *inode, u32 __user *user_attr)
{
u32 attr;
mutex_lock(&inode->i_mutex);
inode_lock(inode);
attr = fat_make_attrs(inode);
mutex_unlock(&inode->i_mutex);
inode_unlock(inode);
return put_user(attr, user_attr);
}
@@ -47,7 +47,7 @@ static int fat_ioctl_set_attributes(struct file *file, u32 __user *user_attr)
err = mnt_want_write_file(file);
if (err)
goto out;
mutex_lock(&inode->i_mutex);
inode_lock(inode);
/*
* ATTR_VOLUME and ATTR_DIR cannot be changed; this also
@@ -109,7 +109,7 @@ static int fat_ioctl_set_attributes(struct file *file, u32 __user *user_attr)
fat_save_attrs(inode, attr);
mark_inode_dirty(inode);
out_unlock_inode:
mutex_unlock(&inode->i_mutex);
inode_unlock(inode);
mnt_drop_write_file(file);
out:
return err;
@@ -246,7 +246,7 @@ static long fat_fallocate(struct file *file, int mode,
if (!S_ISREG(inode->i_mode))
return -EOPNOTSUPP;
mutex_lock(&inode->i_mutex);
inode_lock(inode);
if (mode & FALLOC_FL_KEEP_SIZE) {
ondisksize = inode->i_blocks << 9;
if ((offset + len) <= ondisksize)
@@ -272,7 +272,7 @@ static long fat_fallocate(struct file *file, int mode,
}
error:
mutex_unlock(&inode->i_mutex);
inode_unlock(inode);
return err;
}