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Diffstat (limited to 'fs/jffs2/write.c')
-rw-r--r--fs/jffs2/write.c67
1 files changed, 34 insertions, 33 deletions
diff --git a/fs/jffs2/write.c b/fs/jffs2/write.c
index 776f13cbf2b5..ca29440e9435 100644
--- a/fs/jffs2/write.c
+++ b/fs/jffs2/write.c
@@ -19,7 +19,8 @@
#include "compr.h"
-int jffs2_do_new_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f, uint32_t mode, struct jffs2_raw_inode *ri)
+int jffs2_do_new_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
+ uint32_t mode, struct jffs2_raw_inode *ri)
{
struct jffs2_inode_cache *ic;
@@ -31,7 +32,7 @@ int jffs2_do_new_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f, uint
memset(ic, 0, sizeof(*ic));
f->inocache = ic;
- f->inocache->nlink = 1;
+ f->inocache->pino_nlink = 1; /* Will be overwritten shortly for directories */
f->inocache->nodes = (struct jffs2_raw_node_ref *)f->inocache;
f->inocache->state = INO_STATE_PRESENT;
@@ -137,12 +138,12 @@ struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2
JFFS2_SUMMARY_INODE_SIZE);
} else {
/* Locking pain */
- up(&f->sem);
+ mutex_unlock(&f->sem);
jffs2_complete_reservation(c);
ret = jffs2_reserve_space(c, sizeof(*ri) + datalen, &dummy,
alloc_mode, JFFS2_SUMMARY_INODE_SIZE);
- down(&f->sem);
+ mutex_lock(&f->sem);
}
if (!ret) {
@@ -285,12 +286,12 @@ struct jffs2_full_dirent *jffs2_write_dirent(struct jffs2_sb_info *c, struct jff
JFFS2_SUMMARY_DIRENT_SIZE(namelen));
} else {
/* Locking pain */
- up(&f->sem);
+ mutex_unlock(&f->sem);
jffs2_complete_reservation(c);
ret = jffs2_reserve_space(c, sizeof(*rd) + namelen, &dummy,
alloc_mode, JFFS2_SUMMARY_DIRENT_SIZE(namelen));
- down(&f->sem);
+ mutex_lock(&f->sem);
}
if (!ret) {
@@ -353,7 +354,7 @@ int jffs2_write_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
D1(printk(KERN_DEBUG "jffs2_reserve_space returned %d\n", ret));
break;
}
- down(&f->sem);
+ mutex_lock(&f->sem);
datalen = min_t(uint32_t, writelen, PAGE_CACHE_SIZE - (offset & (PAGE_CACHE_SIZE-1)));
cdatalen = min_t(uint32_t, alloclen - sizeof(*ri), datalen);
@@ -381,7 +382,7 @@ int jffs2_write_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
if (IS_ERR(fn)) {
ret = PTR_ERR(fn);
- up(&f->sem);
+ mutex_unlock(&f->sem);
jffs2_complete_reservation(c);
if (!retried) {
/* Write error to be retried */
@@ -403,11 +404,11 @@ int jffs2_write_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
jffs2_mark_node_obsolete(c, fn->raw);
jffs2_free_full_dnode(fn);
- up(&f->sem);
+ mutex_unlock(&f->sem);
jffs2_complete_reservation(c);
break;
}
- up(&f->sem);
+ mutex_unlock(&f->sem);
jffs2_complete_reservation(c);
if (!datalen) {
printk(KERN_WARNING "Eep. We didn't actually write any data in jffs2_write_inode_range()\n");
@@ -438,10 +439,10 @@ int jffs2_do_create(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, str
ret = jffs2_reserve_space(c, sizeof(*ri), &alloclen, ALLOC_NORMAL,
JFFS2_SUMMARY_INODE_SIZE);
D1(printk(KERN_DEBUG "jffs2_do_create(): reserved 0x%x bytes\n", alloclen));
- if (ret) {
- up(&f->sem);
+ if (ret)
return ret;
- }
+
+ mutex_lock(&f->sem);
ri->data_crc = cpu_to_je32(0);
ri->node_crc = cpu_to_je32(crc32(0, ri, sizeof(*ri)-8));
@@ -454,7 +455,7 @@ int jffs2_do_create(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, str
if (IS_ERR(fn)) {
D1(printk(KERN_DEBUG "jffs2_write_dnode() failed\n"));
/* Eeek. Wave bye bye */
- up(&f->sem);
+ mutex_unlock(&f->sem);
jffs2_complete_reservation(c);
return PTR_ERR(fn);
}
@@ -463,7 +464,7 @@ int jffs2_do_create(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, str
*/
f->metadata = fn;
- up(&f->sem);
+ mutex_unlock(&f->sem);
jffs2_complete_reservation(c);
ret = jffs2_init_security(&f->vfs_inode, &dir_f->vfs_inode);
@@ -489,7 +490,7 @@ int jffs2_do_create(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, str
return -ENOMEM;
}
- down(&dir_f->sem);
+ mutex_lock(&dir_f->sem);
rd->magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
rd->nodetype = cpu_to_je16(JFFS2_NODETYPE_DIRENT);
@@ -513,7 +514,7 @@ int jffs2_do_create(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, str
/* dirent failed to write. Delete the inode normally
as if it were the final unlink() */
jffs2_complete_reservation(c);
- up(&dir_f->sem);
+ mutex_unlock(&dir_f->sem);
return PTR_ERR(fd);
}
@@ -522,7 +523,7 @@ int jffs2_do_create(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, str
jffs2_add_fd_to_list(c, fd, &dir_f->dents);
jffs2_complete_reservation(c);
- up(&dir_f->sem);
+ mutex_unlock(&dir_f->sem);
return 0;
}
@@ -551,7 +552,7 @@ int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f,
return ret;
}
- down(&dir_f->sem);
+ mutex_lock(&dir_f->sem);
/* Build a deletion node */
rd->magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
@@ -574,21 +575,21 @@ int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f,
if (IS_ERR(fd)) {
jffs2_complete_reservation(c);
- up(&dir_f->sem);
+ mutex_unlock(&dir_f->sem);
return PTR_ERR(fd);
}
/* File it. This will mark the old one obsolete. */
jffs2_add_fd_to_list(c, fd, &dir_f->dents);
- up(&dir_f->sem);
+ mutex_unlock(&dir_f->sem);
} else {
- struct jffs2_full_dirent *fd = dir_f->dents;
uint32_t nhash = full_name_hash(name, namelen);
+ fd = dir_f->dents;
/* We don't actually want to reserve any space, but we do
want to be holding the alloc_sem when we write to flash */
- down(&c->alloc_sem);
- down(&dir_f->sem);
+ mutex_lock(&c->alloc_sem);
+ mutex_lock(&dir_f->sem);
for (fd = dir_f->dents; fd; fd = fd->next) {
if (fd->nhash == nhash &&
@@ -607,7 +608,7 @@ int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f,
break;
}
}
- up(&dir_f->sem);
+ mutex_unlock(&dir_f->sem);
}
/* dead_f is NULL if this was a rename not a real unlink */
@@ -615,7 +616,7 @@ int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f,
pointing to an inode which didn't exist. */
if (dead_f && dead_f->inocache) {
- down(&dead_f->sem);
+ mutex_lock(&dead_f->sem);
if (S_ISDIR(OFNI_EDONI_2SFFJ(dead_f)->i_mode)) {
while (dead_f->dents) {
@@ -635,11 +636,11 @@ int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f,
jffs2_mark_node_obsolete(c, fd->raw);
jffs2_free_full_dirent(fd);
}
- }
-
- dead_f->inocache->nlink--;
+ dead_f->inocache->pino_nlink = 0;
+ } else
+ dead_f->inocache->pino_nlink--;
/* NB: Caller must set inode nlink if appropriate */
- up(&dead_f->sem);
+ mutex_unlock(&dead_f->sem);
}
jffs2_complete_reservation(c);
@@ -666,7 +667,7 @@ int jffs2_do_link (struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, uint
return ret;
}
- down(&dir_f->sem);
+ mutex_lock(&dir_f->sem);
/* Build a deletion node */
rd->magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
@@ -691,7 +692,7 @@ int jffs2_do_link (struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, uint
if (IS_ERR(fd)) {
jffs2_complete_reservation(c);
- up(&dir_f->sem);
+ mutex_unlock(&dir_f->sem);
return PTR_ERR(fd);
}
@@ -699,7 +700,7 @@ int jffs2_do_link (struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, uint
jffs2_add_fd_to_list(c, fd, &dir_f->dents);
jffs2_complete_reservation(c);
- up(&dir_f->sem);
+ mutex_unlock(&dir_f->sem);
return 0;
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-28 15:26:58 +0000