smbfs: add bdi backing to mount session
This ensures that dirty data gets flushed properly. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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2 changed files with 11 additions and 0 deletions
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@ -479,6 +479,7 @@ smb_put_super(struct super_block *sb)
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if (server->conn_pid)
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kill_pid(server->conn_pid, SIGTERM, 1);
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bdi_destroy(&server->bdi);
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kfree(server->ops);
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smb_unload_nls(server);
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sb->s_fs_info = NULL;
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@ -525,6 +526,11 @@ static int smb_fill_super(struct super_block *sb, void *raw_data, int silent)
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if (!server)
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goto out_no_server;
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sb->s_fs_info = server;
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if (bdi_setup_and_register(&server->bdi, "smbfs", BDI_CAP_MAP_COPY))
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goto out_bdi;
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sb->s_bdi = &server->bdi;
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server->super_block = sb;
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server->mnt = NULL;
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@ -624,6 +630,8 @@ static int smb_fill_super(struct super_block *sb, void *raw_data, int silent)
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out_bad_option:
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kfree(mem);
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out_no_mem:
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bdi_destroy(&server->bdi);
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out_bdi:
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if (!server->mnt)
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printk(KERN_ERR "smb_fill_super: allocation failure\n");
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sb->s_fs_info = NULL;
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@ -10,6 +10,7 @@
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#define _SMB_FS_SB
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#include <linux/types.h>
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#include <linux/backing-dev.h>
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#include <linux/smb.h>
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/*
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@ -74,6 +75,8 @@ struct smb_sb_info {
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struct smb_ops *ops;
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struct super_block *super_block;
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struct backing_dev_info bdi;
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};
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static inline int
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