/* * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. * * This copyrighted material is made available to anyone wishing to use, * modify, copy, or redistribute it subject to the terms and conditions * of the GNU General Public License version 2. */ #ifndef __INODE_DOT_H__ #define __INODE_DOT_H__ #include #include #include #include "util.h" extern int gfs2_releasepage(struct page *page, gfp_t gfp_mask); extern int gfs2_internal_read(struct gfs2_inode *ip, char *buf, loff_t *pos, unsigned size); extern void gfs2_set_aops(struct inode *inode); static inline int gfs2_is_stuffed(const struct gfs2_inode *ip) { return !ip->i_height; } static inline int gfs2_is_jdata(const struct gfs2_inode *ip) { return ip->i_diskflags & GFS2_DIF_JDATA; } static inline int gfs2_is_writeback(const struct gfs2_inode *ip) { const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); return (sdp->sd_args.ar_data == GFS2_DATA_WRITEBACK) && !gfs2_is_jdata(ip); } static inline int gfs2_is_ordered(const struct gfs2_inode *ip) { const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); return (sdp->sd_args.ar_data == GFS2_DATA_ORDERED) && !gfs2_is_jdata(ip); } static inline int gfs2_is_dir(const struct gfs2_inode *ip) { return S_ISDIR(ip->i_inode.i_mode); } static inline void gfs2_set_inode_blocks(struct inode *inode, u64 blocks) { inode->i_blocks = blocks << (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT); } static inline u64 gfs2_get_inode_blocks(const struct inode *inode) { return inode->i_blocks >> (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT); } static inline void gfs2_add_inode_blocks(struct inode *inode, s64 change) { gfs2_assert(GFS2_SB(inode), (change >= 0 || inode->i_blocks > -change)); change *= (GFS2_SB(inode)->sd_sb.sb_bsize/GFS2_BASIC_BLOCK); inode->i_blocks += change; } static inline int gfs2_check_inum(const struct gfs2_inode *ip, u64 no_addr, u64 no_formal_ino) { return ip->i_no_addr == no_addr && ip->i_no_formal_ino == no_formal_ino; } static inline void gfs2_inum_out(const struct gfs2_inode *ip, struct gfs2_dirent *dent) { dent->de_inum.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino); dent->de_inum.no_addr = cpu_to_be64(ip->i_no_addr); } static inline int gfs2_check_internal_file_size(struct inode *inode, u64 minsize, u64 maxsize) { u64 size = i_size_read(inode); if (size < minsize || size > maxsize) goto err; if (size & (BIT(inode->i_blkbits) - 1)) goto err; return 0; err: gfs2_consist_inode(GFS2_I(inode)); return -EIO; } extern struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type, u64 no_addr, u64 no_formal_ino, unsigned int blktype); extern struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr, u64 *no_formal_ino, unsigned int blktype); extern int gfs2_inode_refresh(struct gfs2_inode *ip); extern struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name, int is_root); extern int gfs2_permission(struct inode *inode, int mask); extern int gfs2_setattr_simple(struct inode *inode, struct iattr *attr); extern struct inode *gfs2_lookup_simple(struct inode *dip, const char *name); extern void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf); extern int gfs2_open_common(struct inode *inode, struct file *file); extern const struct inode_operations gfs2_file_iops; extern const struct inode_operations gfs2_dir_iops; extern const struct inode_operations gfs2_symlink_iops; extern const struct file_operations gfs2_file_fops_nolock; extern const struct file_operations gfs2_dir_fops_nolock; extern void gfs2_set_inode_flags(struct inode *inode); #ifdef CONFIG_GFS2_FS_LOCKING_DLM extern const struct file_operations gfs2_file_fops; extern const struct file_operations gfs2_dir_fops; static inline int gfs2_localflocks(const struct gfs2_sbd *sdp) { return sdp->sd_args.ar_localflocks; } #else /* Single node only */ #define gfs2_file_fops gfs2_file_fops_nolock #define gfs2_dir_fops gfs2_dir_fops_nolock static inline int gfs2_localflocks(const struct gfs2_sbd *sdp) { return 1; } #endif /* CONFIG_GFS2_FS_LOCKING_DLM */ #endif /* __INODE_DOT_H__ */ bel'>mode:
authorThomas Gleixner <tglx@linutronix.de>2017-01-31 23:58:38 +0100
committerIngo Molnar <mingo@kernel.org>2017-02-01 08:37:27 +0100
commitdd86e373e09fb16b83e8adf5c48c421a4ca76468 (patch)
tree55703c2ea8584e303e342090614e0aab3509ab21 /sound/core/seq/seq_fifo.c
parent0b3589be9b98994ce3d5aeca52445d1f5627c4ba (diff)
perf/x86/intel/rapl: Make package handling more robust
The package management code in RAPL relies on package mapping being available before a CPU is started. This changed with: 9d85eb9119f4 ("x86/smpboot: Make logical package management more robust") because the ACPI/BIOS information turned out to be unreliable, but that left RAPL in broken state. This was not noticed because on a regular boot all CPUs are online before RAPL is initialized. A possible fix would be to reintroduce the mess which allocates a package data structure in CPU prepare and when it turns out to already exist in starting throw it away later in the CPU online callback. But that's a horrible hack and not required at all because RAPL becomes functional for perf only in the CPU online callback. That's correct because user space is not yet informed about the CPU being onlined, so nothing caan rely on RAPL being available on that particular CPU. Move the allocation to the CPU online callback and simplify the hotplug handling. At this point the package mapping is established and correct. This also adds a missing check for available package data in the event_init() function. Reported-by: Yasuaki Ishimatsu <yasu.isimatu@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sebastian Siewior <bigeasy@linutronix.de> Cc: Stephane Eranian <eranian@google.com> Cc: Vince Weaver <vincent.weaver@maine.edu> Fixes: 9d85eb9119f4 ("x86/smpboot: Make logical package management more robust") Link: http://lkml.kernel.org/r/20170131230141.212593966@linutronix.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'sound/core/seq/seq_fifo.c')