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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/udf/udf_i.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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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/udf/udf_i.h')
-rw-r--r-- | fs/udf/udf_i.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/fs/udf/udf_i.h b/fs/udf/udf_i.h new file mode 100644 index 00000000..bb8309dc --- /dev/null +++ b/fs/udf/udf_i.h @@ -0,0 +1,46 @@ +#ifndef _UDF_I_H +#define _UDF_I_H + +/* + * The i_data_sem and i_mutex serve for protection of allocation information + * of a regular files and symlinks. This includes all extents belonging to + * the file/symlink, a fact whether data are in-inode or in external data + * blocks, preallocation, goal block information... When extents are read, + * i_mutex or i_data_sem must be held (for reading is enough in case of + * i_data_sem). When extents are changed, i_data_sem must be held for writing + * and also i_mutex must be held. + * + * For directories i_mutex is used for all the necessary protection. + */ + +struct udf_inode_info { + struct timespec i_crtime; + /* Physical address of inode */ + struct kernel_lb_addr i_location; + __u64 i_unique; + __u32 i_lenEAttr; + __u32 i_lenAlloc; + __u64 i_lenExtents; + __u32 i_next_alloc_block; + __u32 i_next_alloc_goal; + __u32 i_checkpoint; + unsigned i_alloc_type : 3; + unsigned i_efe : 1; /* extendedFileEntry */ + unsigned i_use : 1; /* unallocSpaceEntry */ + unsigned i_strat4096 : 1; + unsigned reserved : 26; + union { + struct short_ad *i_sad; + struct long_ad *i_lad; + __u8 *i_data; + } i_ext; + struct rw_semaphore i_data_sem; + struct inode vfs_inode; +}; + +static inline struct udf_inode_info *UDF_I(struct inode *inode) +{ + return list_entry(inode, struct udf_inode_info, vfs_inode); +} + +#endif /* _UDF_I_H) */ |