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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 /fs/efs/file.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 'fs/efs/file.c')
-rw-r--r-- | fs/efs/file.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/fs/efs/file.c b/fs/efs/file.c new file mode 100644 index 00000000..1ccb364f --- /dev/null +++ b/fs/efs/file.c @@ -0,0 +1,60 @@ +/* + * file.c + * + * Copyright (c) 1999 Al Smith + * + * Portions derived from work (c) 1995,1996 Christian Vogelgsang. + */ + +#include <linux/buffer_head.h> +#include "efs.h" + +int efs_get_block(struct inode *inode, sector_t iblock, + struct buffer_head *bh_result, int create) +{ + int error = -EROFS; + long phys; + + if (create) + return error; + if (iblock >= inode->i_blocks) { +#ifdef DEBUG + /* + * i have no idea why this happens as often as it does + */ + printk(KERN_WARNING "EFS: bmap(): block %d >= %ld (filesize %ld)\n", + block, + inode->i_blocks, + inode->i_size); +#endif + return 0; + } + phys = efs_map_block(inode, iblock); + if (phys) + map_bh(bh_result, inode->i_sb, phys); + return 0; +} + +int efs_bmap(struct inode *inode, efs_block_t block) { + + if (block < 0) { + printk(KERN_WARNING "EFS: bmap(): block < 0\n"); + return 0; + } + + /* are we about to read past the end of a file ? */ + if (!(block < inode->i_blocks)) { +#ifdef DEBUG + /* + * i have no idea why this happens as often as it does + */ + printk(KERN_WARNING "EFS: bmap(): block %d >= %ld (filesize %ld)\n", + block, + inode->i_blocks, + inode->i_size); +#endif + return 0; + } + + return efs_map_block(inode, block); +} |