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Diffstat (limited to 'fs/fuse/file.c')
-rw-r--r--fs/fuse/file.c39
1 files changed, 26 insertions, 13 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 00fa861aeead..7154b9555f39 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -210,13 +210,9 @@ void fuse_finish_open(struct inode *inode, struct file *file)
fi->attr_version = atomic64_inc_return(&fc->attr_version);
i_size_write(inode, 0);
spin_unlock(&fi->lock);
- truncate_pagecache(inode, 0);
file_update_time(file);
fuse_invalidate_attr_mask(inode, FUSE_STATX_MODSIZE);
- } else if (!(ff->open_flags & FOPEN_KEEP_CACHE)) {
- invalidate_inode_pages2(inode->i_mapping);
}
-
if ((file->f_mode & FMODE_WRITE) && fc->writeback_cache)
fuse_link_write_file(file);
}
@@ -239,30 +235,38 @@ int fuse_open_common(struct inode *inode, struct file *file, bool isdir)
if (err)
return err;
- if (is_wb_truncate || dax_truncate) {
+ if (is_wb_truncate || dax_truncate)
inode_lock(inode);
- fuse_set_nowrite(inode);
- }
if (dax_truncate) {
filemap_invalidate_lock(inode->i_mapping);
err = fuse_dax_break_layouts(inode, 0, 0);
if (err)
- goto out;
+ goto out_inode_unlock;
}
+ if (is_wb_truncate || dax_truncate)
+ fuse_set_nowrite(inode);
+
err = fuse_do_open(fm, get_node_id(inode), file, isdir);
if (!err)
fuse_finish_open(inode, file);
-out:
+ if (is_wb_truncate || dax_truncate)
+ fuse_release_nowrite(inode);
+ if (!err) {
+ struct fuse_file *ff = file->private_data;
+
+ if (fc->atomic_o_trunc && (file->f_flags & O_TRUNC))
+ truncate_pagecache(inode, 0);
+ else if (!(ff->open_flags & FOPEN_KEEP_CACHE))
+ invalidate_inode_pages2(inode->i_mapping);
+ }
if (dax_truncate)
filemap_invalidate_unlock(inode->i_mapping);
-
- if (is_wb_truncate | dax_truncate) {
- fuse_release_nowrite(inode);
+out_inode_unlock:
+ if (is_wb_truncate || dax_truncate)
inode_unlock(inode);
- }
return err;
}
@@ -338,6 +342,15 @@ static int fuse_open(struct inode *inode, struct file *file)
static int fuse_release(struct inode *inode, struct file *file)
{
+ struct fuse_conn *fc = get_fuse_conn(inode);
+
+ /*
+ * Dirty pages might remain despite write_inode_now() call from
+ * fuse_flush() due to writes racing with the close.
+ */
+ if (fc->writeback_cache)
+ write_inode_now(inode, 1);
+
fuse_release_common(file, false);
/* return value is ignored by VFS */