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Commit 3dc5436a authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Eric Van Hensbergen
Browse files

fs/9p: Writeback dirty data before setattr 



change file attribute can result in making the file readonly.
So flush the dirty pages before that.

Signed-off-by: default avatarAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: default avatarVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: default avatarEric Van Hensbergen <ericvh@gmail.com>
parent f10fc50f

fs/9p/vfs_inode.c

+4 −0
Original line number Diff line number Diff line
@@ -999,6 +999,10 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr) 
		if (retval)

			return retval;

	}

	/* Write all dirty data */

	if (S_ISREG(dentry->d_inode->i_mode))

		filemap_write_and_wait(dentry->d_inode->i_mapping);



	retval = p9_client_wstat(fid, &wstat);

	if (retval < 0)

		return retval;

fs/9p/vfs_inode_dotl.c

+4 −0
Original line number Diff line number Diff line
@@ -459,6 +459,10 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr) 
		if (retval)

			return retval;

	}

	/* Write all dirty data */

	if (S_ISREG(dentry->d_inode->i_mode))

		filemap_write_and_wait(dentry->d_inode->i_mapping);



	retval = p9_client_setattr(fid, &p9attr);

	if (retval < 0)

		return retval;