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fs: Drop sync_mapping_buffers() from __generic_file_fsync()

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No filesystem calling __generic_file_fsync() uses metadata bh tracking.
Drop sync_mapping_buffers() call from __generic_file_fsync() as it's
pointless now which untangles buffer head handling from fs/libfs.c.

Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://patch.msgid.link/20260326095354.16340-55-jack@suse.cz
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Jan Kara 2026-03-26 10:54:07 +01:00 committed by Christian Brauner
parent 635aa2f678
commit aec4fe7cce
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
1 changed files with 2 additions and 7 deletions
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9
fs/libfs.c
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@ -18,7 +18,6 @@
#include <linux/exportfs.h>
#include <linux/iversion.h>
#include <linux/writeback.h>
#include <linux/buffer_head.h> /* sync_mapping_buffers */
#include <linux/fs_context.h>
#include <linux/pseudo_fs.h>
#include <linux/fsnotify.h>
@ -1555,22 +1554,18 @@ int __generic_file_fsync(struct file *file, loff_t start, loff_t end,
{
struct inode *inode = file->f_mapping->host;
int err;
int ret;
int ret = 0;
err = file_write_and_wait_range(file, start, end);
if (err)
return err;
ret = sync_mapping_buffers(inode->i_mapping);
if (!(inode_state_read_once(inode) & I_DIRTY_ALL))
goto out;
if (datasync && !(inode_state_read_once(inode) & I_DIRTY_DATASYNC))
goto out;
err = sync_inode_metadata(inode, 1);
if (ret == 0)
ret = err;
ret = sync_inode_metadata(inode, 1);
out:
/* check and advance again to catch errors after syncing out buffers */
err = file_check_and_advance_wb_err(file);