Function report |
Source Code:fs\read_write.c |
Create Date:2022-07-28 20:01:29 |
Last Modify:2020-03-18 10:18:51 | Copyright©Brick |
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Name:Ensure that we don't remap a partial EOF block in the middle of something* else. Assume that the offsets have already been checked for block* alignment.* For clone we only link a partial EOF block above or at the destination file's* EOF
Proto:static int generic_remap_check_len(struct inode *inode_in, struct inode *inode_out, loff_t pos_out, loff_t *len, unsigned int remap_flags)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct inode * | inode_in | |
struct inode * | inode_out | |
loff_t | pos_out | |
loff_t * | len | |
unsigned int | remap_flags |
1792 | blkmask = i_blocksize(inode_in) - 1 |
1804 | If remap_flags & REMAP_FILE_CAN_SHORTEN Then |
Name | Describe |
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generic_remap_file_range_prep | Check that the two inodes are eligible for cloning, the ranges make* sense, and then flush all dirty data. Caller must ensure that the* inodes have been locked against any other modifications. |
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