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19bfa9ebeb
When underlying device is removed mtd core will crash in case user space is holding open handle. Need to use proper refcounting so device is release only when has no users. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20230620131905.648089-2-alexander.usyskin@intel.com
30 lines
984 B
C
30 lines
984 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* These are exported solely for the purpose of mtd_blkdevs.c and mtdchar.c.
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* You should not use them for _anything_ else.
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*/
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extern struct mutex mtd_table_mutex;
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extern struct backing_dev_info *mtd_bdi;
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struct mtd_info *__mtd_next_device(int i);
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int __must_check add_mtd_device(struct mtd_info *mtd);
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int del_mtd_device(struct mtd_info *mtd);
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int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int);
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int del_mtd_partitions(struct mtd_info *);
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void release_mtd_partition(struct mtd_info *mtd);
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struct mtd_partitions;
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int parse_mtd_partitions(struct mtd_info *master, const char * const *types,
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struct mtd_part_parser_data *data);
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void mtd_part_parser_cleanup(struct mtd_partitions *parts);
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int __init init_mtdchar(void);
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void __exit cleanup_mtdchar(void);
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#define mtd_for_each_device(mtd) \
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for ((mtd) = __mtd_next_device(0); \
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(mtd) != NULL; \
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(mtd) = __mtd_next_device(mtd->index + 1))
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