c5ef1c42c5
Many struct inode_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
41 lines
916 B
C
41 lines
916 B
C
/*
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* QNX4 file system, Linux implementation.
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*
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* Version : 0.2.1
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*
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* Using parts of the xiafs filesystem.
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*
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* History :
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*
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* 25-05-1998 by Richard Frowijn : first release.
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* 21-06-1998 by Frank Denis : wrote qnx4_readpage to use generic_file_read.
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* 27-06-1998 by Frank Denis : file overwriting.
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*/
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#include <linux/fs.h>
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#include <linux/qnx4_fs.h>
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/*
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* We have mostly NULL's here: the current defaults are ok for
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* the qnx4 filesystem.
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*/
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const struct file_operations qnx4_file_operations =
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{
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.llseek = generic_file_llseek,
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.read = do_sync_read,
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.aio_read = generic_file_aio_read,
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.mmap = generic_file_mmap,
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.sendfile = generic_file_sendfile,
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#ifdef CONFIG_QNX4FS_RW
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.write = do_sync_write,
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.aio_write = generic_file_aio_write,
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.fsync = qnx4_sync_file,
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#endif
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};
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const struct inode_operations qnx4_file_inode_operations =
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{
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#ifdef CONFIG_QNX4FS_RW
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.truncate = qnx4_truncate,
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#endif
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};
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