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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/udf/symlink.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/fs/udf/symlink.c')
-rw-r--r-- | ANDROID_3.4.5/fs/udf/symlink.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/ANDROID_3.4.5/fs/udf/symlink.c b/ANDROID_3.4.5/fs/udf/symlink.c deleted file mode 100644 index d7c6dbe4..00000000 --- a/ANDROID_3.4.5/fs/udf/symlink.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * symlink.c - * - * PURPOSE - * Symlink handling routines for the OSTA-UDF(tm) filesystem. - * - * COPYRIGHT - * This file is distributed under the terms of the GNU General Public - * License (GPL). Copies of the GPL can be obtained from: - * ftp://prep.ai.mit.edu/pub/gnu/GPL - * Each contributing author retains all rights to their own work. - * - * (C) 1998-2001 Ben Fennema - * (C) 1999 Stelias Computing Inc - * - * HISTORY - * - * 04/16/99 blf Created. - * - */ - -#include "udfdecl.h" -#include <asm/uaccess.h> -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/time.h> -#include <linux/mm.h> -#include <linux/stat.h> -#include <linux/pagemap.h> -#include <linux/buffer_head.h> -#include "udf_i.h" - -static void udf_pc_to_char(struct super_block *sb, unsigned char *from, - int fromlen, unsigned char *to) -{ - struct pathComponent *pc; - int elen = 0; - unsigned char *p = to; - - while (elen < fromlen) { - pc = (struct pathComponent *)(from + elen); - switch (pc->componentType) { - case 1: - /* - * Symlink points to some place which should be agreed - * upon between originator and receiver of the media. Ignore. - */ - if (pc->lengthComponentIdent > 0) - break; - /* Fall through */ - case 2: - p = to; - *p++ = '/'; - break; - case 3: - memcpy(p, "../", 3); - p += 3; - break; - case 4: - memcpy(p, "./", 2); - p += 2; - /* that would be . - just ignore */ - break; - case 5: - p += udf_get_filename(sb, pc->componentIdent, p, - pc->lengthComponentIdent); - *p++ = '/'; - break; - } - elen += sizeof(struct pathComponent) + pc->lengthComponentIdent; - } - if (p > to + 1) - p[-1] = '\0'; - else - p[0] = '\0'; -} - -static int udf_symlink_filler(struct file *file, struct page *page) -{ - struct inode *inode = page->mapping->host; - struct buffer_head *bh = NULL; - unsigned char *symlink; - int err = -EIO; - unsigned char *p = kmap(page); - struct udf_inode_info *iinfo; - uint32_t pos; - - iinfo = UDF_I(inode); - pos = udf_block_map(inode, 0); - - down_read(&iinfo->i_data_sem); - if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { - symlink = iinfo->i_ext.i_data + iinfo->i_lenEAttr; - } else { - bh = sb_bread(inode->i_sb, pos); - - if (!bh) - goto out; - - symlink = bh->b_data; - } - - udf_pc_to_char(inode->i_sb, symlink, inode->i_size, p); - brelse(bh); - - up_read(&iinfo->i_data_sem); - SetPageUptodate(page); - kunmap(page); - unlock_page(page); - return 0; - -out: - up_read(&iinfo->i_data_sem); - SetPageError(page); - kunmap(page); - unlock_page(page); - return err; -} - -/* - * symlinks can't do much... - */ -const struct address_space_operations udf_symlink_aops = { - .readpage = udf_symlink_filler, -}; |