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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /branches/dd/uspace/srv/vfs/vfs_lookup.c @ 4667

  → /branches/dd/uspace/srv/vfs/vfs_lookup.c @ 4668

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 4667 → Rev 4668

/branches/dd/uspace/srv/vfs/vfs_lookup.c
42,14 → 42,14
#include <string.h>
#include <stdarg.h>
#include <bool.h>
#include <futex.h>
#include <fibril_sync.h>
#include <adt/list.h>
#include <vfs/canonify.h>
#define min(a, b) ((a) < (b) ? (a) : (b))
futex_t plb_futex = FUTEX_INITIALIZER;
link_t plb_head; /**< PLB entry ring buffer. */
FIBRIL_MUTEX_INITIALIZE(plb_mutex);
LIST_INITIALIZE(plb_head); /**< PLB entry ring buffer. */
uint8_t *plb = NULL;
/** Perform a path lookup.
92,7 → 92,7
va_end(ap);
}
futex_down(&plb_futex);
fibril_mutex_lock(&plb_mutex);
plb_entry_t entry;
link_initialize(&entry.plb_link);
119,7 → 119,7
/*
* The buffer cannot absorb the path.
*/
futex_up(&plb_futex);
fibril_mutex_unlock(&plb_mutex);
return ELIMIT;
}
} else {
127,7 → 127,7
/*
* The buffer cannot absorb the path.
*/
futex_up(&plb_futex);
fibril_mutex_unlock(&plb_mutex);
return ELIMIT;
}
}
146,7 → 146,7
*/
list_append(&entry.plb_link, &plb_head);
futex_up(&plb_futex);
fibril_mutex_unlock(&plb_mutex);
/*
* Copy the path into PLB.
159,16 → 159,16
ipc_call_t answer;
int phone = vfs_grab_phone(root->fs_handle);
aid_t req = async_send_5(phone, VFS_LOOKUP, (ipcarg_t) first,
aid_t req = async_send_5(phone, VFS_OUT_LOOKUP, (ipcarg_t) first,
(ipcarg_t) (first + len - 1) % PLB_SIZE,
(ipcarg_t) root->dev_handle, (ipcarg_t) lflag, (ipcarg_t) index,
&answer);
vfs_release_phone(phone);
ipcarg_t rc;
async_wait_for(req, &rc);
vfs_release_phone(phone);
futex_down(&plb_futex);
fibril_mutex_lock(&plb_mutex);
list_remove(&entry.plb_link);
/*
* Erasing the path from PLB will come handy for debugging purposes.
175,7 → 175,7
*/
memset(&plb[first], 0, cnt1);
memset(plb, 0, cnt2);
futex_up(&plb_futex);
fibril_mutex_unlock(&plb_mutex);
if ((rc == EOK) && (result)) {
result->triplet.fs_handle = (fs_handle_t) IPC_GET_ARG1(answer);
204,14 → 204,14
int phone = vfs_grab_phone(result->triplet.fs_handle);
ipc_call_t answer;
aid_t req = async_send_2(phone, VFS_OPEN_NODE,
aid_t req = async_send_2(phone, VFS_OUT_OPEN_NODE,
(ipcarg_t) result->triplet.dev_handle,
(ipcarg_t) result->triplet.index, &answer);
vfs_release_phone(phone);
ipcarg_t rc;
async_wait_for(req, &rc);
vfs_release_phone(phone);
if (rc == EOK) {
result->size = (size_t) IPC_GET_ARG1(answer);