| 1 | |
| 2 | |
| 3 | *
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| 4 | * Copyright (C) 2021 Red Hat, Inc. All Rights Reserved.
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| 5 | * Written by David Howells ([email protected])
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| 6 |
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| 7 |
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| 8 | #define FSCACHE_DEBUG_LEVEL CACHE
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| 9 | #include <linux/module.h>
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| 10 | #include <linux/proc_fs.h>
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| 11 | #include <linux/seq_file.h>
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| 12 | #include "internal.h"
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| 13 |
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| 14 | |
| 15 | * Add files to /proc/fs/netfs/.
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| 16 |
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| 17 | int __init fscache_proc_init(void)
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| 18 | {
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| 19 | if (!proc_symlink("fs/fscache", NULL, "netfs"))
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| 20 | goto error_sym;
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| 21 |
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| 22 | if (!proc_create_seq("fs/netfs/caches", S_IFREG | 0444, NULL,
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| 23 | &fscache_caches_seq_ops))
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| 24 | goto error;
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| 25 |
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| 26 | if (!proc_create_seq("fs/netfs/volumes", S_IFREG | 0444, NULL,
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| 27 | &fscache_volumes_seq_ops))
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| 28 | goto error;
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| 29 |
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| 30 | if (!proc_create_seq("fs/netfs/cookies", S_IFREG | 0444, NULL,
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| 31 | &fscache_cookies_seq_ops))
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| 32 | goto error;
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| 33 | return 0;
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| 34 |
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| 35 | error:
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| 36 | remove_proc_entry("fs/fscache", NULL);
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| 37 | error_sym:
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| 38 | return -ENOMEM;
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| 39 | }
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| 40 |
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| 41 | |
| 42 | * Clean up the /proc/fs/fscache symlink.
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| 43 |
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| 44 | void fscache_proc_cleanup(void)
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| 45 | {
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| 46 | remove_proc_subtree("fs/fscache", NULL);
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| 47 | }
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