#ifndef _UDF_I_H #define _UDF_I_H struct extent_position { struct buffer_head *bh; uint32_t offset; struct kernel_lb_addr block; }; struct udf_ext_cache { /* Extent position */ struct extent_position epos; /* Start logical offset in bytes */ loff_t lstart; }; /* * 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 udf_ext_cache cached_extent; /* Spinlock for protecting extent cache */ spinlock_t i_extent_cache_lock; struct inode vfs_inode; }; static inline struct udf_inode_info *UDF_I(struct inode *inode) { return container_of(inode, struct udf_inode_info, vfs_inode); } #endif /* _UDF_I_H) */ >summaryrefslogtreecommitdiff
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-24 12:38:43 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-24 12:38:43 -0800
commit0263d4ebd94b36280608e296cba39b924b6e832b (patch)
tree6e21b4b3d8e8fb12cdfcfd185d46992487265a9b /tools/perf/Documentation/perf-timechart.txt
parent19ca2c8fecb1592d623fe5e82d6796f8d446268d (diff)
parent7b9e1d89e1b6a3b99a8fdd949aa0f98dd5bf2f6b (diff)
Merge tag 'platform-drivers-x86-v4.10-4' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform-driver fixes from Andy Shevchenko: "This is my first pull request since I become a co-maintainer of Platform Drivers x86 subsystem. It's a bit bigger than usual due to material collected for almost two weeks in a row. MAINTAINERS: - Add myself to X86 PLATFORM DRIVERS as a co-maintainer ideapad-laptop: - handle ACPI event 1 intel_mid_powerbtn: - Set IRQ_ONESHOT surface3-wmi: - fix uninitialized symbol - Shut up unused-function warning mlx-platform: - free first dev on error" * tag 'platform-drivers-x86-v4.10-4' of git://git.infradead.org/linux-platform-drivers-x86: MAINTAINERS: Add myself to X86 PLATFORM DRIVERS as a co-maintainer platform/x86: ideapad-laptop: handle ACPI event 1 platform/x86: intel_mid_powerbtn: Set IRQ_ONESHOT platform/x86: surface3-wmi: fix uninitialized symbol platform/x86: surface3-wmi: Shut up unused-function warning platform/x86: mlx-platform: free first dev on error
Diffstat (limited to 'tools/perf/Documentation/perf-timechart.txt')