LCOV - code coverage report
Current view: top level - fs/ext3 - file.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 11 0.0 %
Date: 2014-02-18 Functions: 0 1 0.0 %
Branches: 0 12 0.0 %

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :  *  linux/fs/ext3/file.c
       3                 :            :  *
       4                 :            :  * Copyright (C) 1992, 1993, 1994, 1995
       5                 :            :  * Remy Card (card@masi.ibp.fr)
       6                 :            :  * Laboratoire MASI - Institut Blaise Pascal
       7                 :            :  * Universite Pierre et Marie Curie (Paris VI)
       8                 :            :  *
       9                 :            :  *  from
      10                 :            :  *
      11                 :            :  *  linux/fs/minix/file.c
      12                 :            :  *
      13                 :            :  *  Copyright (C) 1991, 1992  Linus Torvalds
      14                 :            :  *
      15                 :            :  *  ext3 fs regular file handling primitives
      16                 :            :  *
      17                 :            :  *  64-bit file support on 64-bit platforms by Jakub Jelinek
      18                 :            :  *      (jj@sunsite.ms.mff.cuni.cz)
      19                 :            :  */
      20                 :            : 
      21                 :            : #include <linux/quotaops.h>
      22                 :            : #include "ext3.h"
      23                 :            : #include "xattr.h"
      24                 :            : #include "acl.h"
      25                 :            : 
      26                 :            : /*
      27                 :            :  * Called when an inode is released. Note that this is different
      28                 :            :  * from ext3_file_open: open gets called at every open, but release
      29                 :            :  * gets called only when /all/ the files are closed.
      30                 :            :  */
      31                 :          0 : static int ext3_release_file (struct inode * inode, struct file * filp)
      32                 :            : {
      33         [ #  # ]:          0 :         if (ext3_test_inode_state(inode, EXT3_STATE_FLUSH_ON_CLOSE)) {
      34                 :          0 :                 filemap_flush(inode->i_mapping);
      35                 :            :                 ext3_clear_inode_state(inode, EXT3_STATE_FLUSH_ON_CLOSE);
      36                 :            :         }
      37                 :            :         /* if we are the last writer on the inode, drop the block reservation */
      38 [ #  # ][ #  # ]:          0 :         if ((filp->f_mode & FMODE_WRITE) &&
      39                 :          0 :                         (atomic_read(&inode->i_writecount) == 1))
      40                 :            :         {
      41                 :          0 :                 mutex_lock(&EXT3_I(inode)->truncate_mutex);
      42                 :          0 :                 ext3_discard_reservation(inode);
      43                 :          0 :                 mutex_unlock(&EXT3_I(inode)->truncate_mutex);
      44                 :            :         }
      45 [ #  # ][ #  # ]:          0 :         if (is_dx(inode) && filp->private_data)
                 [ #  # ]
      46                 :          0 :                 ext3_htree_free_dir_info(filp->private_data);
      47                 :            : 
      48                 :          0 :         return 0;
      49                 :            : }
      50                 :            : 
      51                 :            : const struct file_operations ext3_file_operations = {
      52                 :            :         .llseek         = generic_file_llseek,
      53                 :            :         .read           = do_sync_read,
      54                 :            :         .write          = do_sync_write,
      55                 :            :         .aio_read       = generic_file_aio_read,
      56                 :            :         .aio_write      = generic_file_aio_write,
      57                 :            :         .unlocked_ioctl = ext3_ioctl,
      58                 :            : #ifdef CONFIG_COMPAT
      59                 :            :         .compat_ioctl   = ext3_compat_ioctl,
      60                 :            : #endif
      61                 :            :         .mmap           = generic_file_mmap,
      62                 :            :         .open           = dquot_file_open,
      63                 :            :         .release        = ext3_release_file,
      64                 :            :         .fsync          = ext3_sync_file,
      65                 :            :         .splice_read    = generic_file_splice_read,
      66                 :            :         .splice_write   = generic_file_splice_write,
      67                 :            : };
      68                 :            : 
      69                 :            : const struct inode_operations ext3_file_inode_operations = {
      70                 :            :         .setattr        = ext3_setattr,
      71                 :            : #ifdef CONFIG_EXT3_FS_XATTR
      72                 :            :         .setxattr       = generic_setxattr,
      73                 :            :         .getxattr       = generic_getxattr,
      74                 :            :         .listxattr      = ext3_listxattr,
      75                 :            :         .removexattr    = generic_removexattr,
      76                 :            : #endif
      77                 :            :         .get_acl        = ext3_get_acl,
      78                 :            :         .fiemap         = ext3_fiemap,
      79                 :            : };
      80                 :            : 

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