diff options
Diffstat (limited to 'fs/nfs/read.c')
-rw-r--r-- | fs/nfs/read.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/nfs/read.c b/fs/nfs/read.c index 05eb43fadf8..ae3ddd24cf8 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c | |||
@@ -31,6 +31,8 @@ | |||
31 | 31 | ||
32 | #include <asm/system.h> | 32 | #include <asm/system.h> |
33 | 33 | ||
34 | #include "iostat.h" | ||
35 | |||
34 | #define NFSDBG_FACILITY NFSDBG_PAGECACHE | 36 | #define NFSDBG_FACILITY NFSDBG_PAGECACHE |
35 | 37 | ||
36 | static int nfs_pagein_one(struct list_head *, struct inode *); | 38 | static int nfs_pagein_one(struct list_head *, struct inode *); |
@@ -133,6 +135,8 @@ static int nfs_readpage_sync(struct nfs_open_context *ctx, struct inode *inode, | |||
133 | } | 135 | } |
134 | count -= result; | 136 | count -= result; |
135 | rdata->args.pgbase += result; | 137 | rdata->args.pgbase += result; |
138 | nfs_add_stats(inode, NFSIOS_SERVERREADBYTES, result); | ||
139 | |||
136 | /* Note: result == 0 should only happen if we're caching | 140 | /* Note: result == 0 should only happen if we're caching |
137 | * a write that extends the file and punches a hole. | 141 | * a write that extends the file and punches a hole. |
138 | */ | 142 | */ |
@@ -458,8 +462,11 @@ void nfs_readpage_result(struct rpc_task *task, void *calldata) | |||
458 | dprintk("NFS: %4d nfs_readpage_result, (status %d)\n", | 462 | dprintk("NFS: %4d nfs_readpage_result, (status %d)\n", |
459 | task->tk_pid, status); | 463 | task->tk_pid, status); |
460 | 464 | ||
465 | nfs_add_stats(data->inode, NFSIOS_SERVERREADBYTES, resp->count); | ||
466 | |||
461 | /* Is this a short read? */ | 467 | /* Is this a short read? */ |
462 | if (task->tk_status >= 0 && resp->count < argp->count && !resp->eof) { | 468 | if (task->tk_status >= 0 && resp->count < argp->count && !resp->eof) { |
469 | nfs_inc_stats(data->inode, NFSIOS_SHORTREAD); | ||
463 | /* Has the server at least made some progress? */ | 470 | /* Has the server at least made some progress? */ |
464 | if (resp->count != 0) { | 471 | if (resp->count != 0) { |
465 | /* Yes, so retry the read at the end of the data */ | 472 | /* Yes, so retry the read at the end of the data */ |
@@ -491,6 +498,9 @@ int nfs_readpage(struct file *file, struct page *page) | |||
491 | 498 | ||
492 | dprintk("NFS: nfs_readpage (%p %ld@%lu)\n", | 499 | dprintk("NFS: nfs_readpage (%p %ld@%lu)\n", |
493 | page, PAGE_CACHE_SIZE, page->index); | 500 | page, PAGE_CACHE_SIZE, page->index); |
501 | nfs_inc_stats(inode, NFSIOS_VFSREADPAGE); | ||
502 | nfs_add_stats(inode, NFSIOS_READPAGES, 1); | ||
503 | |||
494 | /* | 504 | /* |
495 | * Try to flush any pending writes to the file.. | 505 | * Try to flush any pending writes to the file.. |
496 | * | 506 | * |
@@ -570,6 +580,7 @@ int nfs_readpages(struct file *filp, struct address_space *mapping, | |||
570 | inode->i_sb->s_id, | 580 | inode->i_sb->s_id, |
571 | (long long)NFS_FILEID(inode), | 581 | (long long)NFS_FILEID(inode), |
572 | nr_pages); | 582 | nr_pages); |
583 | nfs_inc_stats(inode, NFSIOS_VFSREADPAGES); | ||
573 | 584 | ||
574 | if (filp == NULL) { | 585 | if (filp == NULL) { |
575 | desc.ctx = nfs_find_open_context(inode, NULL, FMODE_READ); | 586 | desc.ctx = nfs_find_open_context(inode, NULL, FMODE_READ); |
@@ -582,6 +593,7 @@ int nfs_readpages(struct file *filp, struct address_space *mapping, | |||
582 | if (!list_empty(&head)) { | 593 | if (!list_empty(&head)) { |
583 | int err = nfs_pagein_list(&head, server->rpages); | 594 | int err = nfs_pagein_list(&head, server->rpages); |
584 | if (!ret) | 595 | if (!ret) |
596 | nfs_add_stats(inode, NFSIOS_READPAGES, err); | ||
585 | ret = err; | 597 | ret = err; |
586 | } | 598 | } |
587 | put_nfs_open_context(desc.ctx); | 599 | put_nfs_open_context(desc.ctx); |