summaryrefslogtreecommitdiff
path: root/fs/zonefs/super.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/zonefs/super.c')
-rw-r--r--fs/zonefs/super.c23
1 files changed, 5 insertions, 18 deletions
diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c
index dbf03635869c..f323bf3b0e82 100644
--- a/fs/zonefs/super.c
+++ b/fs/zonefs/super.c
@@ -462,7 +462,7 @@ static int zonefs_file_truncate(struct inode *inode, loff_t isize)
inode_dio_wait(inode);
/* Serialize against page faults */
- down_write(&zi->i_mmap_sem);
+ filemap_invalidate_lock(inode->i_mapping);
/* Serialize against zonefs_iomap_begin() */
mutex_lock(&zi->i_truncate_mutex);
@@ -500,7 +500,7 @@ static int zonefs_file_truncate(struct inode *inode, loff_t isize)
unlock:
mutex_unlock(&zi->i_truncate_mutex);
- up_write(&zi->i_mmap_sem);
+ filemap_invalidate_unlock(inode->i_mapping);
return ret;
}
@@ -575,18 +575,6 @@ static int zonefs_file_fsync(struct file *file, loff_t start, loff_t end,
return ret;
}
-static vm_fault_t zonefs_filemap_fault(struct vm_fault *vmf)
-{
- struct zonefs_inode_info *zi = ZONEFS_I(file_inode(vmf->vma->vm_file));
- vm_fault_t ret;
-
- down_read(&zi->i_mmap_sem);
- ret = filemap_fault(vmf);
- up_read(&zi->i_mmap_sem);
-
- return ret;
-}
-
static vm_fault_t zonefs_filemap_page_mkwrite(struct vm_fault *vmf)
{
struct inode *inode = file_inode(vmf->vma->vm_file);
@@ -607,16 +595,16 @@ static vm_fault_t zonefs_filemap_page_mkwrite(struct vm_fault *vmf)
file_update_time(vmf->vma->vm_file);
/* Serialize against truncates */
- down_read(&zi->i_mmap_sem);
+ filemap_invalidate_lock_shared(inode->i_mapping);
ret = iomap_page_mkwrite(vmf, &zonefs_iomap_ops);
- up_read(&zi->i_mmap_sem);
+ filemap_invalidate_unlock_shared(inode->i_mapping);
sb_end_pagefault(inode->i_sb);
return ret;
}
static const struct vm_operations_struct zonefs_file_vm_ops = {
- .fault = zonefs_filemap_fault,
+ .fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = zonefs_filemap_page_mkwrite,
};
@@ -1158,7 +1146,6 @@ static struct inode *zonefs_alloc_inode(struct super_block *sb)
inode_init_once(&zi->i_vnode);
mutex_init(&zi->i_truncate_mutex);
- init_rwsem(&zi->i_mmap_sem);
zi->i_wr_refcnt = 0;
return &zi->i_vnode;