Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master

1 files changed, 63 insertions, 21 deletions

diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 21dad8c608f9..75816025f95f 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -34,8 +34,8 @@
 #include <linux/crc-itu-t.h>
 #include <linux/exportfs.h>
 
-static inline int udf_match(int len1, const char *name1, int len2,
-                            const char *name2)
+static inline int udf_match(int len1, const unsigned char *name1, int len2,
+                            const unsigned char *name2)
 {
         if (len1 != len2)
                 return 0;
@@ -142,15 +142,15 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
 }
 
 static struct fileIdentDesc *udf_find_entry(struct inode *dir,
-                                            struct qstr *child,
+                                            const struct qstr *child,
                                             struct udf_fileident_bh *fibh,
                                             struct fileIdentDesc *cfi)
 {
         struct fileIdentDesc *fi = NULL;
         loff_t f_pos;
         int block, flen;
-        char *fname = NULL;
-        char *nameptr;
+        unsigned char *fname = NULL;
+        unsigned char *nameptr;
         uint8_t lfi;
         uint16_t liu;
         loff_t size;
@@ -308,7 +308,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
 {
         struct super_block *sb = dir->i_sb;
         struct fileIdentDesc *fi = NULL;
-        char *name = NULL;
+        unsigned char *name = NULL;
         int namelen;
         loff_t f_pos;
         loff_t size = udf_ext0_offset(dir) + dir->i_size;
@@ -408,15 +408,6 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
         }
 
 add:
-        /* Is there any extent whose size we need to round up? */
-        if (dinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB && elen) {
-                elen = (elen + sb->s_blocksize - 1) & ~(sb->s_blocksize - 1);
-                if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
-                        epos.offset -= sizeof(struct short_ad);
-                else if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG)
-                        epos.offset -= sizeof(struct long_ad);
-                udf_write_aext(dir, &epos, &eloc, elen, 1);
-        }
         f_pos += nfidlen;
 
         if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB &&
@@ -439,6 +430,7 @@ add:
                 udf_current_aext(dir, &epos, &eloc, &elen, 1);
         }
 
+        /* Entry fits into current block? */
         if (sb->s_blocksize - fibh->eoffset >= nfidlen) {
                 fibh->soffset = fibh->eoffset;
                 fibh->eoffset += nfidlen;
@@ -462,6 +454,16 @@ add:
                                 (fibh->sbh->b_data + fibh->soffset);
                 }
         } else {
+                /* Round up last extent in the file */
+                elen = (elen + sb->s_blocksize - 1) & ~(sb->s_blocksize - 1);
+                if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
+                        epos.offset -= sizeof(struct short_ad);
+                else if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG)
+                        epos.offset -= sizeof(struct long_ad);
+                udf_write_aext(dir, &epos, &eloc, elen, 1);
+                dinfo->i_lenExtents = (dinfo->i_lenExtents + sb->s_blocksize
+                                        - 1) & ~(sb->s_blocksize - 1);
+
                 fibh->soffset = fibh->eoffset - sb->s_blocksize;
                 fibh->eoffset += nfidlen - sb->s_blocksize;
                 if (fibh->sbh != fibh->ebh) {
@@ -508,6 +510,20 @@ add:
                 dir->i_size += nfidlen;
                 if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)
                         dinfo->i_lenAlloc += nfidlen;
+                else {
+                        /* Find the last extent and truncate it to proper size */
+                        while (udf_next_aext(dir, &epos, &eloc, &elen, 1) ==
+                                (EXT_RECORDED_ALLOCATED >> 30))
+                                ;
+                        elen -= dinfo->i_lenExtents - dir->i_size;
+                        if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
+                                epos.offset -= sizeof(struct short_ad);
+                        else if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG)
+                                epos.offset -= sizeof(struct long_ad);
+                        udf_write_aext(dir, &epos, &eloc, elen, 1);
+                        dinfo->i_lenExtents = dir->i_size;
+                }
+
                 mark_inode_dirty(dir);
                 goto out_ok;
         } else {
@@ -547,6 +563,8 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode,
         int err;
         struct udf_inode_info *iinfo;
 
+        dquot_initialize(dir);
+
         lock_kernel();
         inode = udf_new_inode(dir, mode, &err);
         if (!inode) {
@@ -600,6 +618,8 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode,
         if (!old_valid_dev(rdev))
                 return -EINVAL;
 
+        dquot_initialize(dir);
+
         lock_kernel();
         err = -EIO;
         inode = udf_new_inode(dir, mode, &err);
@@ -646,6 +666,8 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
         struct udf_inode_info *dinfo = UDF_I(dir);
         struct udf_inode_info *iinfo;
 
+        dquot_initialize(dir);
+
         lock_kernel();
         err = -EMLINK;
         if (dir->i_nlink >= (256 << sizeof(dir->i_nlink)) - 1)
@@ -783,6 +805,8 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry)
         struct fileIdentDesc *fi, cfi;
         struct kernel_lb_addr tloc;
 
+        dquot_initialize(dir);
+
         retval = -ENOENT;
         lock_kernel();
         fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);
@@ -829,6 +853,8 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry)
         struct fileIdentDesc cfi;
         struct kernel_lb_addr tloc;
 
+        dquot_initialize(dir);
+
         retval = -ENOENT;
         lock_kernel();
         fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);
@@ -869,20 +895,22 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
 {
         struct inode *inode;
         struct pathComponent *pc;
-        char *compstart;
+        const char *compstart;
         struct udf_fileident_bh fibh;
         struct extent_position epos = {};
         int eoffset, elen = 0;
         struct fileIdentDesc *fi;
         struct fileIdentDesc cfi;
-        char *ea;
+        uint8_t *ea;
         int err;
         int block;
-        char *name = NULL;
+        unsigned char *name = NULL;
         int namelen;
         struct buffer_head *bh;
         struct udf_inode_info *iinfo;
 
+        dquot_initialize(dir);
+
         lock_kernel();
         inode = udf_new_inode(dir, S_IFLNK, &err);
         if (!inode)
@@ -897,7 +925,7 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
         iinfo = UDF_I(inode);
         inode->i_mode = S_IFLNK | S_IRWXUGO;
         inode->i_data.a_ops = &udf_symlink_aops;
-        inode->i_op = &page_symlink_inode_operations;
+        inode->i_op = &udf_symlink_inode_operations;
 
         if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) {
                 struct kernel_lb_addr eloc;
@@ -922,7 +950,7 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
                 block = udf_get_pblock(inode->i_sb, block,
                                 iinfo->i_location.partitionReferenceNum,
                                 0);
-                epos.bh = udf_tread(inode->i_sb, block);
+                epos.bh = udf_tgetblk(inode->i_sb, block);
                 lock_buffer(epos.bh);
                 memset(epos.bh->b_data, 0x00, inode->i_sb->s_blocksize);
                 set_buffer_uptodate(epos.bh);
@@ -954,7 +982,7 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
 
                 pc = (struct pathComponent *)(ea + elen);
 
-                compstart = (char *)symname;
+                compstart = symname;
 
                 do {
                         symname++;
@@ -999,6 +1027,8 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
         inode->i_size = elen;
         if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)
                 iinfo->i_lenAlloc = inode->i_size;
+        else
+                udf_truncate_tail_extent(inode);
         mark_inode_dirty(inode);
 
         fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);
@@ -1051,6 +1081,8 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
         int err;
         struct buffer_head *bh;
 
+        dquot_initialize(dir);
+
         lock_kernel();
         if (inode->i_nlink >= (256 << sizeof(inode->i_nlink)) - 1) {
                 unlock_kernel();
@@ -1113,6 +1145,9 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
         struct kernel_lb_addr tloc;
         struct udf_inode_info *old_iinfo = UDF_I(old_inode);
 
+        dquot_initialize(old_dir);
+        dquot_initialize(new_dir);
+
         lock_kernel();
         ofi = udf_find_entry(old_dir, &old_dentry->d_name, &ofibh, &ocfi);
         if (ofi) {
@@ -1358,6 +1393,7 @@ const struct export_operations udf_export_ops = {
 const struct inode_operations udf_dir_inode_operations = {
         .lookup                         = udf_lookup,
         .create                         = udf_create,
+        .setattr                        = udf_setattr,
         .link                           = udf_link,
         .unlink                         = udf_unlink,
         .symlink                        = udf_symlink,
@@ -1366,3 +1402,9 @@ const struct inode_operations udf_dir_inode_operations = {
         .mknod                          = udf_mknod,
         .rename                         = udf_rename,
 };
+const struct inode_operations udf_symlink_inode_operations = {
+        .readlink       = generic_readlink,
+        .follow_link    = page_follow_link_light,
+        .put_link       = page_put_link,
+        .setattr        = udf_setattr,
+};