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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 <[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/nilfs2/inode.c
View file

@ -1003,7 +1003,7 @@ int nilfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
if (ret)
return ret;
mutex_lock(&inode->i_mutex);
inode_lock(inode);
isize = i_size_read(inode);
@ -1113,6 +1113,6 @@ int nilfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
if (ret == 1)
ret = 0;
mutex_unlock(&inode->i_mutex);
inode_unlock(inode);
return ret;
}

4
fs/nilfs2/ioctl.c
View file

@ -158,7 +158,7 @@ static int nilfs_ioctl_setflags(struct inode *inode, struct file *filp,
flags = nilfs_mask_flags(inode->i_mode, flags);
mutex_lock(&inode->i_mutex);
inode_lock(inode);
oldflags = NILFS_I(inode)->i_flags;
@ -186,7 +186,7 @@ static int nilfs_ioctl_setflags(struct inode *inode, struct file *filp,
nilfs_mark_inode_dirty(inode);
ret = nilfs_transaction_commit(inode->i_sb);
out:
mutex_unlock(&inode->i_mutex);
inode_unlock(inode);
mnt_drop_write_file(filp);
return ret;
}