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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 <[email protected]>
This commit is contained in:
Al Viro 2016-01-22 15:40:57 -05:00
commit 5955102c99
177 changed files with 908 additions and 883 deletions
Download patch file Download diff file Expand all files Collapse all files

4
fs/hfs/dir.c
View file

@ -173,9 +173,9 @@ static int hfs_dir_release(struct inode *inode, struct file *file)
{
struct hfs_readdir_data *rd = file->private_data;
if (rd) {
mutex_lock(&inode->i_mutex);
inode_lock(inode);
list_del(&rd->list);
mutex_unlock(&inode->i_mutex);
inode_unlock(inode);
kfree(rd);
}
return 0;

8
fs/hfs/inode.c
View file

@ -570,13 +570,13 @@ static int hfs_file_release(struct inode *inode, struct file *file)
if (HFS_IS_RSRC(inode))
inode = HFS_I(inode)->rsrc_inode;
if (atomic_dec_and_test(&HFS_I(inode)->opencnt)) {
mutex_lock(&inode->i_mutex);
inode_lock(inode);
hfs_file_truncate(inode);
//if (inode->i_flags & S_DEAD) {
// hfs_delete_cat(inode->i_ino, HFSPLUS_SB(sb).hidden_dir, NULL);
// hfs_delete_inode(inode);
//}
mutex_unlock(&inode->i_mutex);
inode_unlock(inode);
}
return 0;
}
@ -656,7 +656,7 @@ static int hfs_file_fsync(struct file *filp, loff_t start, loff_t end,
ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
if (ret)
return ret;
mutex_lock(&inode->i_mutex);
inode_lock(inode);
/* sync the inode to buffers */
ret = write_inode_now(inode, 0);
@ -668,7 +668,7 @@ static int hfs_file_fsync(struct file *filp, loff_t start, loff_t end,
err = sync_blockdev(sb->s_bdev);
if (!ret)
ret = err;
mutex_unlock(&inode->i_mutex);
inode_unlock(inode);
return ret;
}