ext4, jbd2: Drop unneeded printks at mount and unmount time

[safe/jmp/linux-2.6] / fs / ubifs / lpt.c

diff --git a/fs/ubifs/lpt.c b/fs/ubifs/lpt.c
index 93c181c..b2792e8 100644 (file)
--- a/fs/ubifs/lpt.c
+++ b/fs/ubifs/lpt.c
@@ -43,8 +43,9 @@
  * mounted.
  */
 
-#include <linux/crc16.h>
 #include "ubifs.h"
+#include <linux/crc16.h>
+#include <linux/math64.h>
 
 /**
  * do_calc_lpt_geom - calculate sizes for the LPT area.
@@ -135,15 +136,13 @@ static void do_calc_lpt_geom(struct ubifs_info *c)
 int ubifs_calc_lpt_geom(struct ubifs_info *c)
 {
        int lebs_needed;
-       uint64_t sz;
+       long long sz;
 
        do_calc_lpt_geom(c);
 
        /* Verify that lpt_lebs is big enough */
        sz = c->lpt_sz * 2; /* Must have at least 2 times the size */
-       sz += c->leb_size - 1;
-       do_div(sz, c->leb_size);
-       lebs_needed = sz;
+       lebs_needed = div_u64(sz + c->leb_size - 1, c->leb_size);
        if (lebs_needed > c->lpt_lebs) {
                ubifs_err("too few LPT LEBs");
                return -EINVAL;
@@ -175,7 +174,7 @@ static int calc_dflt_lpt_geom(struct ubifs_info *c, int *main_lebs,
                              int *big_lpt)
 {
        int i, lebs_needed;
-       uint64_t sz;
+       long long sz;
 
        /* Start by assuming the minimum number of LPT LEBs */
        c->lpt_lebs = UBIFS_MIN_LPT_LEBS;
@@ -202,9 +201,7 @@ static int calc_dflt_lpt_geom(struct ubifs_info *c, int *main_lebs,
        /* Now check there are enough LPT LEBs */
        for (i = 0; i < 64 ; i++) {
                sz = c->lpt_sz * 4; /* Allow 4 times the size */
-               sz += c->leb_size - 1;
-               do_div(sz, c->leb_size);
-               lebs_needed = sz;
+               lebs_needed = div_u64(sz + c->leb_size - 1, c->leb_size);
                if (lebs_needed > c->lpt_lebs) {
                        /* Not enough LPT LEBs so try again with more */
                        c->lpt_lebs = lebs_needed;
@@ -557,7 +554,7 @@ static int calc_nnode_num(int row, int col)
  * This function calculates and returns the nnode number based on the parent's
  * nnode number and the index in parent.
  */
-static int calc_nnode_num_from_parent(struct ubifs_info *c,
+static int calc_nnode_num_from_parent(const struct ubifs_info *c,
                                      struct ubifs_nnode *parent, int iip)
 {
        int num, shft;
@@ -582,7 +579,7 @@ static int calc_nnode_num_from_parent(struct ubifs_info *c,
  * This function calculates and returns the pnode number based on the parent's
  * nnode number and the index in parent.
  */
-static int calc_pnode_num_from_parent(struct ubifs_info *c,
+static int calc_pnode_num_from_parent(const struct ubifs_info *c,
                                      struct ubifs_nnode *parent, int iip)
 {
        int i, n = c->lpt_hght - 1, pnum = parent->num, num = 0;
@@ -965,7 +962,7 @@ static int check_lpt_type(uint8_t **addr, int *pos, int type)
  *
  * This function returns %0 on success and a negative error code on failure.
  */
-static int unpack_pnode(struct ubifs_info *c, void *buf,
+static int unpack_pnode(const struct ubifs_info *c, void *buf,
                        struct ubifs_pnode *pnode)
 {
        uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;
@@ -995,15 +992,15 @@ static int unpack_pnode(struct ubifs_info *c, void *buf,
 }
 
 /**
- * unpack_nnode - unpack a nnode.
+ * ubifs_unpack_nnode - unpack a nnode.
  * @c: UBIFS file-system description object
  * @buf: buffer containing packed nnode to unpack
  * @nnode: nnode structure to fill
  *
  * This function returns %0 on success and a negative error code on failure.
  */
-static int unpack_nnode(struct ubifs_info *c, void *buf,
-                       struct ubifs_nnode *nnode)
+int ubifs_unpack_nnode(const struct ubifs_info *c, void *buf,
+                      struct ubifs_nnode *nnode)
 {
        uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;
        int i, pos = 0, err;
@@ -1035,7 +1032,7 @@ static int unpack_nnode(struct ubifs_info *c, void *buf,
  *
  * This function returns %0 on success and a negative error code on failure.
  */
-static int unpack_ltab(struct ubifs_info *c, void *buf)
+static int unpack_ltab(const struct ubifs_info *c, void *buf)
 {
        uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;
        int i, pos = 0, err;
@@ -1067,7 +1064,7 @@ static int unpack_ltab(struct ubifs_info *c, void *buf)
  *
  * This function returns %0 on success and a negative error code on failure.
  */
-static int unpack_lsave(struct ubifs_info *c, void *buf)
+static int unpack_lsave(const struct ubifs_info *c, void *buf)
 {
        uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;
        int i, pos = 0, err;
@@ -1095,7 +1092,7 @@ static int unpack_lsave(struct ubifs_info *c, void *buf)
  *
  * This function returns %0 on success and a negative error code on failure.
  */
-static int validate_nnode(struct ubifs_info *c, struct ubifs_nnode *nnode,
+static int validate_nnode(const struct ubifs_info *c, struct ubifs_nnode *nnode,
                          struct ubifs_nnode *parent, int iip)
 {
        int i, lvl, max_offs;
@@ -1139,7 +1136,7 @@ static int validate_nnode(struct ubifs_info *c, struct ubifs_nnode *nnode,
  *
  * This function returns %0 on success and a negative error code on failure.
  */
-static int validate_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
+static int validate_pnode(const struct ubifs_info *c, struct ubifs_pnode *pnode,
                          struct ubifs_nnode *parent, int iip)
 {
        int i;
@@ -1173,7 +1170,8 @@ static int validate_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
  * This function calculates the LEB numbers for the LEB properties it contains
  * based on the pnode number.
  */
-static void set_pnode_lnum(struct ubifs_info *c, struct ubifs_pnode *pnode)
+static void set_pnode_lnum(const struct ubifs_info *c,
+                          struct ubifs_pnode *pnode)
 {
        int i, lnum;
 
@@ -1226,7 +1224,7 @@ int ubifs_read_nnode(struct ubifs_info *c, struct ubifs_nnode *parent, int iip)
                err = ubi_read(c->ubi, lnum, buf, offs, c->nnode_sz);
                if (err)
                        goto out;
-               err = unpack_nnode(c, buf, nnode);
+               err = ubifs_unpack_nnode(c, buf, nnode);
                if (err)
                        goto out;
        }
@@ -1815,7 +1813,7 @@ static struct ubifs_nnode *scan_get_nnode(struct ubifs_info *c,
                               c->nnode_sz);
                if (err)
                        return ERR_PTR(err);
-               err = unpack_nnode(c, buf, nnode);
+               err = ubifs_unpack_nnode(c, buf, nnode);
                if (err)
                        return ERR_PTR(err);
        }